When you have marijuana in your possession and a friend who has no money to throw down on it and is asking to smoke for free and says "burn me up".
by passthetreesplease420 March 14, 2011
by Aesc February 22, 2008
an acronym for the phrase "betweeen me & u" -- let's another person to know to keep what is being said a secret
by tt2563 August 12, 2008