IBTS

that girl looks like she belongs to the IBTS
by 53x August 15, 2006
mugGet the IBTSmug.

IBT

Danggg! That girl's front is as flat as her back! Put a sign that says IBT on her!
by Hi Mom May 03, 2006
mugGet the IBTmug.

IBT's

guy 1: dude did you see that chick?
guy 2: yea she had sum IBT's
by Palotolker October 13, 2008
mugGet the IBT'smug.

IBTS

I’ll bring the s’mores
I’ll bring the s’mores to the fire. IBTS
by Crike February 07, 2022
mugGet the IBTSmug.

IBTS

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
by electrocutioner3000 July 12, 2006
mugGet the IBTSmug.

IBT

The meaning to IBT is its boner time
Yo homie what time is it
It’s IBT

But it’s my birthday
by Boner central February 06, 2021
mugGet the IBTmug.

IBT's

Stands for "Itty Bitty Titties"

Say this when someone with IBT's passes by you.
Taiga Aisaka has IBT's.
by BigMamaBS July 21, 2025
mugGet the IBT'smug.