Top definition
Happens when a guy and a girl are sleeping in a bed togeather, wearing underwear.

The guy takes his junk out of his underwear and places it in the girl's underwear, probably as an awkward sexual advance
Guy1: Dude! I gave my girl a boarding party last night! It was so hot!
Guy2: Awesome!

Girl1: Uhg, my boyfriend tried to give me a boarding party last night. I'm going to tear his junk off next time.
Girl2: Gross!
by 1 dude September 12, 2009
Get the mug
Get a Boarding Party mug for your Uncle Abdul.