The slang word trap has numerous definitions, but is mostly used to refer to any place where drugs are being exchanged. A trap can be anywhere, it can be an open spot where cops don't frequent or a house which dealers typically refer to as a trap house. Individual partaking in the activities in a trap spot are often referred to as trap stars, and are considered to be trapping.

Trap and Hip Hop

Rappers are notorious for talking about trap spots, Hip Hop has a sub-genre known as Trap Music which put emphasis on the daily life of drug dealers. Rapper RondoNumbaNine had a song titled "Trap Spot" in which he said "30s in that trap spot, savages too - Macs on the table, so betta be cool - Drugs in the fridge, pill in the jar"

Mainstream rappers have a tendency to glorify the unpleasant life style they often rap about, certain rappers make a trap spot look as a good place; a trap spot is anything but nice, itt's full of criminals selling drugs, whom must protect themselves and their products from rivals, which results in a violent environment.

Other Trap Slang Meanings

Trap is also used to refer to someone's mouth, for example instead of telling someone to shut up, one might say, shut your trap.
It's Also a place where you can bring a thot to have sex.