Abbreviated form of "vomit
in my mouth", used to express disgust, generally at a suggested activity. The "M" can be
swapped out for other
readily identifiable words, such as 'C' for car.
"Hey, wanna go eat at
Applebees?"
"Oh, V in my M. Lets go to
Chili's instead."
also
"She's really drunk, we should give her
a ride home, I just hope she doesn't V in my C."
