n. like titfucking except there is two males, and one of them is shoving his penis between the other's pectorals
"My two cousins were over last night. One's a dude and the other's a chic."
"My chic cousin has boobs that are so big and perky that I asked her if I could titfuck her... She said no, and that's when my dude cousin came along and asked me if I wanted to pecfuck him."
"And you said yes, didn't you?"