twomp

noun2

1. •
   (US, slang) 20 U.S. dollars' worth of marijuana.

   • However, last night we scored a twomp (20 sack) of this extremely chronic weed, and we hotboxed Shaun's car...I was GONE. Just out of it. Almost uncomfortably stoned. — 1998
2. •
   (US, slang) Twenty.

   • it's only gonna cost a twomp, right? hella cheap. — 1999