Define Sup Bro Meaning

N. Someone like a surfer or cocky person who likes to start sentences with Sup bro? (whats going on brother) so often it's ridiculous
N. THe male version of a valley girl

Slang short for "What's up, bro". Most commonly used in short texting.

When saying this phrase make sure you have either a shotgun or exploding device in your hand before using it on someone who doesn't expect it.

The phrase one says when approaching a bro, usually used when the elbow is raised high sloping down to a hand giving a high five from one bro to another

The mind state of a serious bro. You have got to be thinking about the swell, hanging out with top mints, longboarding, greeting others with "sup bro?", noticing your best bro's tan, and find yourself most attractive with your shirt off.