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1.
The act of either giving or recieving a blumpkin from a zombie.
That New Jersey hooker gave the zombie a zombkin and a case of genital warts for $3.62
by Zombkin April 26, 2007
 
2.
getting a blowjob while playing Call of Duty Nazi Zombies...
I played CoD Zombies and I got a blowjob at the same time! Thus Zombkin FTW!
by Jared and others July 05, 2011
 
3.
Like a blumpkin, however, the woman is performing felliatiao while her man is killing some sort of zombie.. ie. Nazi zombies, dead island......etc.
I just gave my boyfriend a zombkin while he was playing Dead Island.
by ZombieWoman September 04, 2012