oisin

can be a cool guy,but around girls he's annoying, trying to chat them up all the time.
oh your such an oisin
by doom12345678910 September 29, 2011
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oisin

is a lanky midget who enjoys fondling his tiny minuscule willy. He has no friends and cant take a joke. In short Oisin is a Gayboy who no one likes. He also is terrible at sports and if he plays basketball is pretty much a shit version of Joakim Noah.
Oisin: Pass the ball , I'm open!
John: No you penis fondling prick. You shoot like Joakim Noah and you have no friends , you stupid child rapist!
Oisin: OK :(
by Oisinisachildrapist January 03, 2018
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oisin

oisin can be used to describe someone who is ill-mannered or ignorant of other peoples feelings.
it can also be used to describe how someone acts around others. e.g. lying, deceitful

Another way to call someone in a normal conversation is a snake or a liar.
That guy is such an oisin.
by Izaya.H December 20, 2017
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Oisin Diamond

someone who choses girl over tokes and an all round simp
Are you oisin diamonding right now thas so freaky
by Simpy D February 27, 2022
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Oisin Fleming

Gay prick who thinks he proper hard,lives in the shadow of his brother
by U gay December 29, 2018
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Dirty oisin

When you stroke you're pet shrimp up and down ur rectum until the shrimp crawls deep into you're pee pee hole and lays eggs
I feel itchy after going for a swim must of caught a nasty dirty oisin
by Big boy fionn May 04, 2020
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Dont be an Oisin

The definition is a phrase relating too an annoying gay boy who dosent participate in gang activities such as drinking and entering private property.
by paul kelly is god December 25, 2009
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