Top definition
OSTTL stands for OH SHIT Time to Leave. Which is most commonly said during bad situations.
Kevin: Oh Fuck the cops are here.

Dylan: OSTTL.

Kevin: I hear that.
by theblackness February 25, 2010
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May 1 Word of the Day
When some little bitchboy is acting like a little tiny pee pee poo poo baby and messing up the group plans.
I’m tired I wanna go home

“Oh I didn’t know it was pee pee poo poo hours”
by A7sa July 03, 2019
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