derived from the word "busy". This is strictly a glasgow saying, particularily within the west end and medical school area. basy has evolved to have many meanings. it must be taken in the context with which it is said, see examples below.
basy is predominantly an insult. if someone were to say to you in sauchihall street glasgow.... " Aye you hink yer basy mate" it may mean... "yes my friend, you seem think your something special". or one may say... "aye how basy are you" and this would mean "haha check u ya tool" so it depends on what context it is used in. only experienced basy-ers can use it correctly, if it is used wrongly one may seem very silly to other basy users. basy may also be used to disrupt lectures and public events when silence is required. this is particularily prevalent in glasgow university medical school....where students have been known to have a tourets type outbirst of basy during lectures or medical balls. basy is not stricly a noun however, it can also be an adverb, as one can actually "be basied". this is where a basy-er sneaks up behind another person, and does a look of sheer disgust behind them while another mate takes a photo. this sort of immature behaviour brings shreeks of laughter to all other basyers as the person who has been basied is unaware of the situation. beware, cos basy belly and baldness shal get ya!!
by Domenic May 14, 2006
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When someone is in the hating mood. He or she is being jealous or disapproving of an action or decision that has credibility out of spite. On the hating scale basy would be above jealousy and a little below the evil eye.
JIM:Yo Alex you like my jacket.

Alex: Naw man theres better ones out there

JIM: Why you being so basy ; its aiight would have been acceptable.

Alex: Maybe for your standards
by Mertash October 2, 2007
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Basi a true queen of nature,intellect and melanin with a heart of pure gold,who can also be a bad bitch!
Guy 1: bruh did you see that beautiful girl and the way she carries herself!
Guy 2: Yeah dude,she’s a real ‘Basi’
by Moe_Vil@k@z! December 18, 2019
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Definitions; One that can ejacutlate in speeds faster than most matter, One that can fuck anything at any given time
" I can Basi faster than you"
" Man i could Basi right now!"
by $$$$$ April 16, 2004
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The basis is a female that meets the following criteria: extremely large, horny, exceptionally bitchy, and looking to have sex with an unsuspecting victim (who usually is either so drunk he is blacked-out or is very close).
Dude I woke up this morning broken ribs, a broken mattress and a fat bitch laying next to me. FML, the basis was here!
by Spittie February 15, 2010
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Basi a true queen of nature,intellect and melanin with a heart of pure gold,who can also be a bad bitch!
Dude 1:Did you se that beautiful girl and the way she carries herself!
Dude 2: yeah bruh,she must be a Basi
by Moe_Vil@k@z! December 18, 2019
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