MCS

Abbreviation for Main Character Syndrome, a person thinks and acts like their the main character.

A taxi driver asks the passenger where she needs to go and she replies with "home..." not giving any actual direction
The taxi driver says to himself "That girls got MCS"

Caterpillar

When 2 men are in a spooning position, one of the men spreads their ass and the other guy smacks his dick on the other guys ass while yelling caterpillar.

Guy 1: Hey, lay on your side and spread your cheeks

Guy 2: Ok

Guy 1: Smack* CATERPILLAR! CATERPILLAR! CATERPILLAR!