This is very small portion or "bump" of drugs - originally used in relation to Ketamine use. It originates from a girl called bunny on the party scene in South London in 2006 and is now used widely amongst clubbers thughout the UK.
One party goer says to another "Oh no I don't want a whole line of Ketamine - I just want a bunny bump"
by Absolutely Not December 24, 2008
Get the Bunny Bumpmug. The act of making out while you and the other person are pressed up against an object such as a wall, a car, or a friend and grinding into each other. See dry sex.
by Ace Linnare July 14, 2008
Get the bunny bumpingmug. by Jilly J December 6, 2011
Get the bump bunniesmug.