YCOMT = You Came On My Tits: acronym that refers to the male act of ejaculating ("jizzing") upon the breasts of a female, or a male with breast implants (a la genesis p-orridge).
me: ah, you fucking rank bitch... you just squirted in my eye!
vinci's mum: well, i have every right to... after all, YCOMT.
An acronym used in Text-speak, standing for 'You Came on my Tits'
OMG Lulz YCOMT last night, was fun! xoxox