(n.) The outcome of a male ejaculating into a rubber, and after doing so, chucking it at the face of an unliked person.

Note: Could be given to one who dresses up as an actor from the hit show Grey's Anatomy, specifically the Korean Nurse & likes Patric. P.S. Thao is uglier than Sandra Oh >=
I totally gave Thao a Vietnamese Hand Grenade.
Kevin Tran likes to recieve Vietnamese Hand Grenades.
Theresa Hang enjoys an occasional Vietnamese Hand Grenade, especially those given by Andrew Bui.
Get the vietnamese hand grenade mug.