Not used in everyday language, but means to shove something up someone's ass.
Person 1: Ha I just Siwickied you with these chopsticks

Person 2: OOOOOOOWW
by Ding DIng Jong November 20, 2016
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This man is a typical siege player. Has over 300 hours in siege in 3 months. (Born in august but has huge bazonker thighs) He has 2 siblings and a family but that doesnt matter because Ryan hasnt seen his family in year. All those hours on seige left his family to disown him. Ryan hasnt showered in years despite being told to shower every night. Ryan loves balls. He loves balls so much he sucks on every ball he sees. When u see ryan in public prepared to get sucked on
Ryan Siwicki plays so much Rainbow Six Siege he is the rainbow.
by druwu March 19, 2022
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