A fork of Rural Dictionary
It stands for Itty Bitty Titty
Danggg! That girl's front is as flat as her back! Put a sign that says IBT on her!
The meaning to IBT is its boner time
Yo homie what time is it
It’s IBT
But it’s my birthday
guy 1: dude did you see that chick?
guy 2: yea she had sum IBT's
Acronym - In Before The Spam
Generally posted on a forum after an announcement by somebody important and/or concerning something important, where everyone generally replies quickly with stupid shit.
Works similarly to IBTL.
Administrator: This is a very important announcement about this website/game/forum.
Person 1: IBTS!
Persons 2, 3 etc: OMG WTF STFU NO WAI