Stands for Big Titty Disorder. When a man cant stop thinking about big titties.

Symptoms:
Always thinking about big titties.
When you see them you have the urge t touch them.
Eyes bulge when you see them.
The pervert has BTD.
by Travis55 December 8, 2011
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‘Wow he for sure had a BTD!’
Definition: An over average penis with a lot of girth
by Iknowthecraic October 25, 2017
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(n.) a mental disability or disorder that makes you prone to underage girls. It is most common with lads with the first name of Bob.
Its not his fault, Bob suffers from BTD.
by wolf316 October 23, 2007
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Big Tiddy Daddy

A guy with large tiddies
OMG THAT LACROSS PLAYER IS SUCH A BTD HE HAS SUCH BIG TIDDIES
by Janet Dingleberry April 23, 2019
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girl 1- "hey insert name here"
girl 2-"oh hey bitch"
girl 1-"excuse me? GURRRL"
Girl 2-"yeah you heard me hoe"
girl 1-"oh yeah well you SUCK BTD"
Gurl 2-"you did not"
girl 1-"oh yes i did"
by Brothas 4 life November 6, 2010
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