Intercourse where the girl is On top. Slamming the worm is when the penis comes out of the vagina and the girl lands on it. Damage is caused.
Carl: I was Fuckin ali yesterday and she got too excited and slam the worm.
Frank: man that sucks. Maybe you should have a bigger D.
Frank: man that sucks. Maybe you should have a bigger D.
by C-ram April 26, 2016
Get the Slam the wormmug.