Boobholder

Milk shower: The nipples shoot magic-negating white fluid in a 15 feet cone at the start of it's turn. Creatures hit by the fluid can´t use magic and their magic items stops working unitil it dries of which takes 1 turn outside of the shower.
The creature decides at the end of it´s turn where the shower goes.

Smother: The boobholder attempts to grapple the creature. Escape DC 13.  At a success, the creature is grappled and if it is still grappled at the end of it's turn, it is slowly beginning to suffocate.  The creature have to succeed on a wisdom saving throw, save dc 15 first before they try to break the grapple again.

Nipple discharge:  The boobholder shoots three small showers of breastmilk at three different creatures. Each one is random and decided with the roll of a d10.

1.  Acidic titty juice:  The targeted creature must make a DC 16 Constitution saving throw, taking 36 (8d8) acid damage on a failed save, or half as much damage on a successful one.
2. Mother´s milk: The targeted creature must succeed on a DC 16 Wisdom saving throw or be charmed by the boobholder for 1 hour, or until the boobholder harms the creature. While the creature is charmed it views the boobholder as it´s mother.
3. Turned (on) milk: The targeted creature must succeed on a DC 16 Charisma savning throw. On a success nothing happens, on a failure they become an Lactopihliac and have disadvantage on anything including breastmilk for 3 turns.
4. Colostrum: The targeted creature must make a DC 16 Dexterity saving throw. On a failed save, the creature begins to turn to stone and is restrained. It must repeat the saving throw at the end of its next turn. On a success, the effect ends. On a failure, the creature is petrified until freed by the greater restoration spell or other magic.
5. Transitional milk: The targeted creature must succeed on a DC 16 Dexterity saving throw. On a failed save, The creature becomes drenched in sticky milk and the target’s speed is halved for 1 minute. In addition, the creature can’t take reactions, and it can take either an action or a bonus action on its turn, not both. The creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success. 
6. Mature milk: The targeted creature must succeed on a DC 16 Wisdom saving throw or fall asleep and remain unconscious for 1 minute. The target awakens if it takes damage or another creature takes an action to wake it. This ray has no effect on constructs and undead.
7. Tight nipple: The targeted creature must succeed on a DC 16 Strength saving throw, taking 10d8 bludgeoning damage on a fail or half as much on a success as a high pressured ray of milk is hitting them.
8. Kinky nipple: The targeted creature must succeed on a DC 16 Charisma saving throw. On a success nothing happens, on a failure boobs become their kink for an hour and when they see boobs they become transfixed and can´t take actions or bonus actions. The creature can choose to avert their gaze by succeeding on a wisdom saving throw of 16. The kink ends if they take damage.
9. Toddlers food: The creature must succeed on a DC 16 intelligence saving throw. On a success nothing happens, on a fail they suffer the effects of a Feeblemind spell.
10. Suck the titty, reach 15 ft: The targeted creature must succeed on a DC 16 dexterity saving throw. On success nothing happens, on a fail the nipple is showed into the creatures mouth and gets stuck. The creature takes 5d10 necrotic damage on each of it´s turn as spoiled milk is squirted into it´s mouth. The creature can tear itself loose by succeeding on a DC 15 Athletics check.

Breast pumping: The boobholders main nipple sucks itself inwards creating vaccum effect. Creatures within 30 ft must succed on a DC 15 strenght saving throw or getting sucked 15 ft closer to the boobholder. If the boobholder attempts a grapple during the same turn they get advantage on the check. Once used the Boobholder must wait one turn before it can use it again.