A treacy, or treacius sillicus in latin, is an act of mistake, that happens to 1 out of 14 of us reports NASA.
When a man is having loving sexual intercourse with his partner, A treacy is when for some unexpected reason, the man sneezes whilst ejaculating and by a serious of unfortunate events, he unwillingly relaxs his anus muscle (the glorious sphinter muscle), and deficates on or around his partner, (soon to be Ex).
Jim Boy - "Hey, did you hear that Colin pulled a treacy in Jacinta last night after we left the indian restraunt?" Claude - "Oh no, Jimbo.... Was she alright? .... After the last time I thought we lost her!"
Trecy is a hot light skin and very athletic and he can sometimes be a dick but usually very nice and sweet he has hazel eyes and has nice abs and very funny he makes everyone laugh
mostly a irish male.funny but can be annoying at times.but can get men to like him as a friend but women more than that.their body size is good.dirty blonde hair.