1. A colloquial onomatopoeia used to verbally accentuate an assertive action
2. An expression said on the prep step of certain hip hop dance moves/strong dance finishers (i.e. The Whip, Reversals, Hyping up finishers of freetysles etc.)
3. (Music) Used to signal the start of a 4 'yah' beat group backdrop for a freestyle.
Cheneequah: I bet you $5 if you throwthat shit into the crowd Mowhuiwhui: I gotchu fam. YEET!!
Do not get this confused with yet. It doesn't mean yet. It could mean you threw something and one would say, you 'yeeted' that thing. It could also be said in place of yes.