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.
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A massive faggot who only talks about himself, his love for dick, and how his name means Little Deer.
"Oisin is a faggot"
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An annoying Irish ginger cunt who everyone hates
'Oisins in my group'
'oh poor you'
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someone who choses girl over tokes and an all round simp
Are you oisin diamonding right now thas so freaky
Gay prick who thinks he proper hard,lives in the shadow of his brother
Oisin fleming is fuckin faggot
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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
The definition is a phrase relating too an annoying gay boy who dosent participate in gang activities such as drinking and entering private property.
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