Generally stands for "Wah Thia Bo" which mean "I don't understand the statement" in Hokkien.

Commonly used among Asian in messaging to express "I didn't get what you are trying to say, please rephrase"
WTB is used to save some typing effort.
In a messaging conversation sometime a person tend to said something hard to be understood, then you give a short response 'WTB' instead of typing out "I didn’t get it". Example a Facebook conversation bellow:

Example 1:
A: I do not find myself in the circumstances be possible to complete my homework by tomorrow
B: WTB
A: I don't think I can finish my homework by tomorrow
B: well do tell me if you need any help

Example 2:
A: What's your planning for today?
B: I decided to do a resection of useless sub-tissue group of human
A: WTB
B: Going to get a haircut
A: send me a selfie for me when you are done
B: alright m8
by Xiao Bij September 14, 2018
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REAL definition: Wrong Time Boner.

An accidental boner that occurs in the most unlikely or unexpected of times. Generally occurs in class while dreaming about girls, teachers and occasionally... cats.
Guy 1: Hey bro, why you leaving class so early.

Guy 2: WTB.
by CollegeKid666 September 15, 2012
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Acronym stands for "What the Blood!?"

Can be used interchangeably with "WTF"
Definition: Explains sheer confusion or aghast.
Tyrell: "Yo Tyrone, I tried what you said, I smacked Laquisha in the face with my cock. Dude, you lied, she didnt like it all, she punched me!"

Tyrone: "WTB!??!"
by Jeet May 14, 2007
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Wrong Time Boner. There are a few times when a boner is acceptable (i.e. while sexing or jacking) but the rest of the time, it's a WTB.
Shit, thinking of my girlfriend while in the locker room shower was a terrible idea. That WTB is the reason I'm wearing this cast now.
by Imaleftover September 9, 2008
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