When a man marries a woman, and proceeds to perform bedroom antics with his wife's sisters, because this guy is void of any kind of moral compass, and/or is just a complete douchebag.
Girl - "I can't date that dude, he's such a Sinister Stanley!"
Girl - "Did you hear about Dave? He totally did a Sinister Stanley on his wife".
Man - "I have so much respect for Brian. He Sinister Stanley'd the shit out of his wife!".
Girl - "Did you hear about Dave? He totally did a Sinister Stanley on his wife".
Man - "I have so much respect for Brian. He Sinister Stanley'd the shit out of his wife!".
by DirtyDave2.0 August 13, 2022
Get the Sinister Stanley mug.by mgripsngsfsefsfsefesa October 14, 2022
Get the seis mug.Siei is an acronym for "Should I end it." It could be referring to ending whatever can be ended but is mostly used when talking about ending ones life or romantic relationship with someone else.
by anonymouscouchpotat October 15, 2022
Get the siei mug.Countable noun: An act that is sinister. Countable plural form: Sinisteries
Used because sinisterness is just fugly in the countable sense.
Used because sinisterness is just fugly in the countable sense.
"They got a $4B payout‽" "Yes, that sinistery of <private equity firm> is unmatched in all their history!"
Kryin Bemp ran for governor while serving as secretary of state. They improperly purged voter roles and engaged in other sinisteries, ensuring their win.
Kryin Bemp ran for governor while serving as secretary of state. They improperly purged voter roles and engaged in other sinisteries, ensuring their win.
by Unringard November 4, 2022
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A guy who lives with his mum, doesn't go to school or work and tries to live off benefits throughout his life
by Kasablanco Maroko November 23, 2022
Get the Sigis mug.The volcanuous eruption of semen from the genitals of a male donor a male that Is capable of registering upon a Richter scale device.
by Cashpuller420 March 3, 2023
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