Blowing up her club refers to what happens when a man ejaculates inside a woman
1st guy: "dude, I'm nervous that Ashley's pregnant"
2nd guy: "why?"
1st guy: "a few weeks ago I totally blew up her club and now she's late"

Lainey is so freaky, every time we get drunk she lets me blow up her club
by Little donkey April 19, 2014
Get the Blow up her club mug.