Interj. Corruption of the two words "hey" and "yo," which are frequently used together, often as a salutation.
"Aiyyo dog hit me up once you get to the spot."
adverbial phrase. Essentially "trying not" or "trying to avoid" in standard English. The subtle difference between the slang standard English usages can be seen as follows: in standard English "not trying" simply means a failure to put forth any effort; whereas the slang meaning encompasses affirmative avoidance of responsibility, or steps taken to get out of an obligation.
Slang: Yo man now D not trying to pay me back.
Standard: D is trying to avoid paying me back.
preposition. after; following. Typically suggestive of a cause-and-effect relationship, but it is important to note that this is implied and not stated.
You gonna catch hell behind that bullshit from yesterday.