Clever rhyming phrase used to convey surprise or dismay. Similar to the common phrase "well suck my tits and call me a bitch" or "Well slap mah tits and call me a whore."
Can be interpreted literally, as in the process of defecating onto a human teatlet
, primarily of the female variety. This definition is often used by those unfamiliar with its more common usage as an interjection.
Shit on a tit.
SHIT ON A TIT!
I liek to pewp on boubbies lawl