When something is beyond amazing, and is super awesome, its tits as fuck.

When a chick has a big potbelly and you cannot get to her tits for a titty fuck, you stick your dick between her gut and her tits for a fuck

You take someone’s titty and suck on it till they start bleeding and then shove your dick in it bust a nut then lick it till the evidence is gone

The act of inserting the penis between two tits and fucking them.

A guy thrust his dick inbetween a set of tits.

see also milkshake

Verb

Tit fucking is the act of placing a male's erect penis between a woman/hot teenager/ college girl's breast and moving it up and down whilst sumultaniously moving the breasts up and down to sexually stimulate the male until he ejaculates on the woman/hot teenager/ college girl's face.

The use of one's Penis in the cleavage of a female (dependent on how much cleavage they have of course) - stimulating the art of intercourse.

All he's gonna get is a Tit-Wank that tight Gypo!.

Also known as Tit-Wank.