Gibby Haynes-vocalist of the band butthole surfers, but specifically a large amount of crack cocaine. According to the book American Hardcore a Tribal History by Steven Blush, Gibby Haynes was a very prominent member of certain crack circles in parts of texas. In these said parts you can still purchace a "gibby" which is a large bag of crack. no specfic weight given just large.
A gaby is an amazing girl that will always light up your day. She is extremely beautiful and SO funny. All the boys in school wish they had her, and all the girls wish they were her. She is also an amazing girlfriend. Gaby is very trustworthy and also really smart. If gaby trusts you, (becomes your girlfriend or even friend) you are very lucky. her boyfriend is the luckiest guy alive.
Noun - Unspecific body part that will be in immense pain, once punched (Markiplier fans use to threaten someone who annoys them).
You: Creepers from minecraft really... BLOW my mind!
Friend: If you tell one more bad joke, your Gabba will be in so much pain, you won't even be able to breathe...