1 definition by ProfessorBlackOut
nip or nipping (verb) means to ingest drugs (mainly morphine) by turning them into a paste using water and slathering said paste onto the users nipples.
Awwww damn he's only got 30mg ABG morphines. Looks like I'm gonna need a sitter if I'm gonna nip these things!
by ProfessorBlackOut November 30, 2015