The physically impossible act of stimulating the penis with one’s breasts via the anus. Used as an expletive to express anger or frustration at a situation, person etc.
Dude: Hey man looks like you’ve been fined for driving in a bus-only lane again.
Dude 2: Ah, tittyfuck my ass!
Dude 2: Ah, tittyfuck my ass!
by Helpful_Scallywag May 14, 2018
Get the tittyfuck my assmug.