IBT

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!

by Hi Mom May 03, 2006

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

IBTS

itty bitty titty society

that girl looks like she belongs to the IBTS

by 53x August 15, 2006

IBT's

Itty Bitty Titties

guy 1: dude did you see that chick?
guy 2: yea she had sum IBT's

by Palotolker October 13, 2008

IBTS

I’ll bring the s’mores

I’ll bring the s’mores to the fire. IBTS

by Crike February 07, 2022

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

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