Top Definition
the sexual act of getting head from a lady under a blanket and then proceeding to give her a dutch oven while she is still performing oral sex on you.
Joe: hey man, sheila was giving me head last night and i held down the blankets and gave her the gas chamber! was awesome!

Josh: kick ass man! sheila is such a fuckin dumpster slut
by Joe Lattuca February 14, 2007
9 Words related to the gas chamber

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