Definitions by J master flex

OB

Ob is short for 'OBviously'.

Person A: "You want to go get some of that pu-tang?"
You: "OB!"

OB by J master flex December 28, 2005

act 

Act is short for ACTually. It is only used in the indirect questionative form, meaning it is only used to question something someone says but not really looking for an answer.

Person A: Yo that fly hunnies diggin` yo phat ride!
You: ACT?

Just like saying "Really?".

act by J master flex November 15, 2005