Hey man, do you think you can spot me a few brain cells? I have test coming up.
by UnboundTrauma July 22, 2021
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When you call someone and the only thing you say before hanging up is something you know will irritate them severely.
An example of cell phone bombing is calling up a friend who is deathly afraid of spiders and yelling "SPIDERS! SPIDERS, EVERYWHERE!!!" and promptly hanging up.

I cell phone bombed my brother, who is very OCD in his dislike for odd numbers, by calling, saying "I see sevens," and hanging up.
by Q-Swagg January 16, 2013
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When a based and red-pilled gamer has to control their power level, so that the unwashed masses don't start noticing anything.
SUSAN: Hey Mark, what do you think of BLM? They really help amplify the voices within marginalised communities, don't they?

MARK (Sleeper cell): Yes, love em!
by Buck Destroyer June 4, 2021
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Someone of middle eastern or indian descent who has hidden in the states for a while as a secret terrorist.
“That nigga Nick Makki is a sleeper cell did y’all know that?”
by ballbuster24 October 23, 2023
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The pathological cell type identified in Bushcle-Lowenstein tumors. Buschle-lowenstein tumors are a rare benign penile tumor caused by human papilloma virus infection with giant tumor growth but only local tissue destruction; may result in urethral fistula formation. The tumor resembles a cauliflower-like mass. Diagnosis is achieved via collecting cell scrapings of the mass with subsequent identification of motherfucking cells (MFCs) on diagnostic electron microscopy. There has been considerable debate regarding the exact nature, etiology, and treatment of these lesions. Like oral florid papillomatosis and epithelioma cuniculatum, Buschle-lowenstein tumors are considered to be a regional variant of verrucous carcinoma. MFCs have been observed on samples involving the penis, vulva, scrotum, bladder, and perianal or anorectal regions. Management of these tumors is controversial, but involves chemotherapy, radiation, and surgery.
The motherfucking cell was identified on diagnostic electron microscopy.
by ProfPath March 25, 2017
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