IBT's 

Itty Bitty Titties

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

IBT's by Palotolker October 13, 2008

IBT's 

Stands for "Itty Bitty Titties"

Say this when someone with IBT's passes by you.

Taiga Aisaka has IBT's.

IBT's by BigMamaBS July 21, 2025

IBTS 

itty bitty titty society

that girl looks like she belongs to the IBTS

IBTS by 53x August 15, 2006

IBTS 

I’ll bring the s’mores

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

IBTS by Crike February 7, 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

IBTS by electrocutioner3000 July 12, 2006

ibtsam 

Insanely attractive girl with the sweetest smile . A Beauty with a great passion and goddamn attitude but purest heart .
Her soulmate will be the luckiest .

Every boy wants her secretly !!

Everybody wants her forever and never wanna loose her . She makes people fall in love with her .

Ibtsam on her face brightens the day .

ibtsam by Aassddffgghh November 23, 2021

ibtsam 

Insanely attractive girl with the sweetest smile . A Beauty with a great passion and goddamn attitude but purest heart .
Her soulmate will be the luckiest .

Every boy wants her secretly !!

Everybody wants her forever and never wanna loose her . She makes people fall in love with her .

Everyone falls in love with her ibtsam (sweet smile ).

ibtsam by Aassddffgghh November 27, 2021