When you or someone else (either alone or in the presence of others) is laying down and suddenly rip a fart
Jack: The other day I was laying down in bed watching a movie with Jules and she suddenly ripped a Laying Fart.

Marc: And....

Jack: I think I’m in love
by Your Dude 67 January 26, 2021
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(variants: cut, let, rip, or crack may replace lay)

to flatuate
He laid the worst fart I had ever smelled.
by Light Joker July 12, 2005
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