look up any word, like the eiffel tower:
 
2.
Premature baby
Her baby is a pre-b because it was born a month before it was due
by Dr. Trix April 23, 2011
 
1.
Preb a short for Pre-Pube Mostly used by gamers.
Preb: (Squeaky Voice) Hey guys whats up

Dude: Woah dude u hurt my ears shut the fuck up
by artworK February 15, 2011
 
3.
A common typo when talking to Felicia
girl - "Haha sorry"
guy - "no prebs"
by WintersChaos July 27, 2011