What is Your Best Friend's Sister?
1.
a stupid comeback phrase that's used for virtually everything, even if it doesn't make any sense whatsoever
Friend #1: dude! i saw your mom last night! she was hot!
Friend #2: your best friend's sister!
Friend #!: you have a sister!?
dude: what happened last night!?
dude 2: your best friend's sister!
dude: shut up!
See
Random Words:
1.
1 Sexual interaction by means of e-mail, IM or text messaging.
2 The person with whom you have virtual sex.
My Quantum Fuck is incredi..
1.
Pizza that is loaded with so much topping that you'd rather choose to only eat vagina and thus become a Vagetarian.
That Vagetaria..
