BIWT 

Stands for Because I Want To
or
Because I Wanted To

Geoff: i tried to goatse myself yday
Me: wut? WHY!!!11!!1
Geoff: lol
Me: srsly.....whyyyy!!
Geoff: biwt
Geoff: i did it for teh lulz XDDD
Me: dude ...... its not lulzworthy .....

BIWT by mimm April 21, 2008

BIWTD 

BIWTD stands for "bitch I want to die" you use it when someone you hate responds to your insult with a comeback ten times better than your insult.

men : you're ugly
women : that's yo mama said when you were born
men : BIWTD
women : what
men : bitch I want to die

BIWTD by How_to_make_a_bomb_? October 7, 2021

biwtycookie 

Hypixel bedwars player. She does nothing but gets carried. Her bestie is bryawn.

oh em gee biwtycookie
don’t worry she sucks.

biwtycookie by bryawn June 2, 2022