The grand slammer is when you do a line of coke off a girls belly, kiss the girl, take a bong rip, take two syringes full of tequila then make out with a second girl and she slips a ecstasy pill from her mouth to yours. Then you die.
by Mickey dog November 21, 2014
by The Natist June 11, 2021
The act of having sexual intercourse with somebody who makes it taboo, or the act of fuckin your homies older sister 😈
by alabamaslamjammer25 April 4, 2020