Lip gas also known as a wierd sound when you smack your lips, it sounds a bit like your farting, hence the name.
Another meaning of lip gas is sticking a fork in your lip and putting some gas inside of your lip. Don't try it, it hurts.
*fart*
"ITS JUST LIP GAS, MOM!"
by MoldyScaryCheese ! December 19, 2017
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