A Gaelic name meaning "The Master of Sex" given only to the most masculine of men. By law, a child may only be named Aleister if his penis exceeds 1/2 a foot at the time of birth. As a verb, "to Aleister" means "to fuck the shit out of" or "to effortlessly cause multiple orgasms in women. If a man named Aleister sleeps with a virgin, she instantly turns into a nymphomaniac whore. The name Aleister has been derived into the English word A-Lister.
"Aleister sure lived up to his name last night, he made me cum four times"

"That damn neighbour boy Aleister'd my daughter... she was a virgin, now she gets passed around like the town doobie.
by mlap1019 August 13, 2012
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An early 20th century occultist, poet, mountaineer, and recreational drug user. He created a spiritual belief system known as 'Thelema', Greek word for will. He is one strange motha fucka, but isn't as bad as everyone makes him out to be. He titled himself as 'the beast 666'. And is well know for his sex magick, and other magickal practices/works.
Aleister Crowley made some ravioli's
by Goatman777 December 27, 2018
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Hot magic dude that uses invokation to summon stuff stuff
"Normal summon aleister the invoker"

"ok"

"Invokation for mechaba"

"Fuck"
by ExoticFroge May 15, 2021
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the blue haired ara ara anime boi of people's dreams
i'd fuck aleister the invoker
dude same
by shouganai na lyn-kun May 17, 2021
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This term is typically used to establish communism. But it also means that whoever your playing yugioh with is not skilled and chose this deck because they suck at the game.
Dave: normal summon aleister?
David: why do you play this dogwater deck?
Dave: activate fusion destiny?
by Suckadeeznutzh0e January 26, 2022
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the blue haired ara ara anime boi of people's dreams
i'd fuck aleister
dude same
by shouganai na lyn-kun May 16, 2021
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