The Opposite of Laying down, just like how there is sitting down and sitting up, laying down is with your body relaxed, while laying up however has your torso and head up vertically.
"I Told you not to lay down!"
"I'm not laying down, I am Laying up."
"You're fucking retarded."
When a gentleman has sex with a women out of politeness. See pity fuck.
I'd do her, but more as a courtesy lay.
When a female is prepared for a sexual incounter, but is pretenting to sleep so she doesn't have to initiate, or can pretend that she wasn't expecting it.
Dan: Dude, did u get some?
Fred: Yea she was acting like she was sleeping, but she had condom and no panties.
Dan: she was totally laying in rape.
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(variants: cut, let, rip, or crack may replace lay)
to flatuate
He laid the worst fart I had ever smelled.
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