purso
Short for 'personal', meaning 'personal smoke', the portion of a large drug purchase that a drug dealer puts away for himself.
"I bought 300 pills and ended up getting 20 pills purso."
"I bought a 1/2 ounce of weed and got 2 grams of purso."
"I bought a 1/2 ounce of weed and got 2 grams of purso."