When somebody uses a melee attack with a weapon in the game "Halo", or "Halo 2", for the Xbox.
"Stay there, and I'll brank you with this rocket launcher."
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1. being excited about something.
2. a celebration
Synonym: yay, wohoo, yea
“I got a raise at work!”
“Brank!”
When you wank so hard that your dick breaks in half.
Bro, last night i went at it for so long that my dick is brank
When you're the bed thruster to help your friend soak and you accidentally get covered in the shit that spews out your friends asshole, through the top bunk, and all over your body.
Sally: I was helping Sloane soak last night and she started branking all over me! Can you believe that!
Marcus: Sounds like you had a ballistic branking time!