When a drug dealer does one of the following;
1. Uses all his drugs on himself or friends or family;
2. Spends all of his re-up
Basically, the dealer no longer has the necessary funds to support his, drug dealing way of life
Dealer : "Shit man, if I don't sell these last two bags, I will fall off."
Buyer: "Man that broke nigga
ain't got no weed, he fell off."Trap Girl
: "Hell naw girl, i don't fux with
him no more, he fell the fuck off"
Dealer: "Nigga i went to the club last night and fell the fuck off."