1 definition by simpforurmom

Top Definition
Mainly said because of a typo of “Shut the fuck up”. This term means that when you are fucking someone, u are shitting upwards on them.
“ayo Jason, why did u shit the fuck up on__?”
“Idk man, I’m just a somp that likes shitting upwards on people.”
by simpforurmom April 10, 2021

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