A German term (Hence Helmut) used to describe the foreskin on the penis; covering the gutter for which the penis cheese is harvested.
King Nectars got a lot of penis cheese hidden behind that gutter helmut.
by Stickman Straw December 20, 2004
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The art of ejaculating on that one spot, towards the back of her head, where it causes a flow down to her back and then continues along her ass crack and ends up collecting into a pool on the floor.
Damnit Cletus! Why you always gotta jizz on the back of my head?
Listen here woman! The day you can jizz on the back of my head is the day you can tell me where i should be jizz'n!
I like how it just flows like rain...
Now go take your shower and let's cuddle, my little gutter helmut!
by AthieN June 29, 2006
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