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1.
The art of resting ones testicles on the eyes of your partner and then farting in her mouth.
Do you really need an example for a German Gasmask?!?
by X4ndur August 09, 2006
 
2.
Sex positon, when you put your balls on the partner's eyes and you fart in their face
Beth was giving me head, and i pushed her down and gave her a german gas mask
by MDGT December 26, 2007
 
3.
The art of resting ones testicles on the eyes of your partner and then farting in her mouth.
Do you really need an example for a German Gasmask?!?
by RoboRoofer November 24, 2008
 
4.
The sexual act of a person putting his/her mouth on the anus of another person as the other person realeases gas into the other persons mouth.
Adne ate Abigales butthole blowout as they did the German Gas Mask.
by J@$0n April 23, 2011
 
5.
When you put your nose in between a female's ass cheeks and proceed to eat her twat out while she is giving you a handjob.
Ronald : "I really wanted to eat this girl out and get a handjob at the same time."

Marty : "Did you put your nose between her ass cheeks?"

Ronald : "Yeah"

Marty : "Dude, that's a German Gasmask"
by Intrutionz October 18, 2009
 
6.
When a girl is laying on her back, you cum in her mouth ,sit on her face, trap her arms so she cant move then let out the biggest fart and sort of suffocate her with your cheeks
I hate that bitch so I gave her a german gas mask.
by ah in oh March 11, 2008