The mimic enjoys the peanut butter

I feed the mimic a dozen watermelons

The mimic spits out perfectly sliced watermelon, with all the seeds removed.

I feed the mimic my soul.

The mimic gets a minor tummy ache as your soul tasted funny. However now it can summon you at will ,and make you do stuff for it like carry random stuff or defend it if need be. 

I feed the mimic eleven pieces of cheese pizza and one slice of pepperoni. 

The mimic eats the pizza, then spits out a note. It seems to have a single star on it.

"Next time, remember that pepperoni pizza doesn't mean pizza with a single slice of pepperoni on it!"

I feed the mimic an entire set of giant dice.

The mimic spits out a d20, rolling a critical hit. It follows by spitting out the rest of the dice right at your face. You take 154 bludgeoning damage.

I feed the mimic ten dollars.

the mimic spits out the federal reserve: but empty of cash

I feed the mimic an archipelago

It spits out the continent of Pangaea.

I feed the mimic some firewood and a match.

The mimic spits out a campfire.

I feed it a pack of Utahraptors.

It spits out john cena wearing camo

i throw in a mimic

The two mimics attempt to meld into one mimic, but they fail and one is blasted to pieces. The surviving mimic then proceeds to devour the other mimic’s essence.

I feed it Kronos, lord of time.

jacksepticeye pops out and shouts topo the morning ya laddies

i stuff in a young white dragon

The mimic breathes ice breath onto you. Make a dex saving throw.

I feed the mimic a wizards staff.

The mimic pukes up a disintegrate spell scroll.

I feed it a DVD with Avengers: Age Of Ultron on it.

The mimic gives you a avengers 5 spoiler

i give it gandalf the white

It spits out Dumbledore.

I feed the mimic a cactus.

The mimic roars in agony and spits out a glob of not yet cooled off hot glue, which hits you.

I feed the mimic a time paradox.

It spits out the Tardis

I feed the mimic a baloney sandwich

It spits out a 8oz ribeye steak.

I feed the mimic a soccer ball.

It spits out a 8oz ribeye steak.

I feed the mimic a soccer ball.

It spits out a 8oz ribeye steak.

I feed the mimic a soccer ball.