BINGTSI 

Abbreviation: \ˈbiŋ-sē\ Because It's Not Going To Suck Itself. Most commonly used when explaining one's reason(s) for doing a particular activity, esp. when the person asking just doesn't get it.

"Dude, why do you spend so much time in the gym?"
"BINGTSI."

See also: blow job, fellatio, head

BINGTSI by Cloclia July 19, 2015