Definitions by maddog219

boi-o 

A boi-o Is the condescending and/or patronizing way you refer to a Male or Boy when they're upto mischief, strictly to assert dominance in a passive aggressive tone.

Senior Male: "OI YOU GET BACK HERE WITH THAT LADIES PURSE BOI-O!"
Dweeb Teenager: "Get fucked ya cunt"

boi-o by maddog219 September 2, 2019

fail cunt

Someone who generally fails at life for example, smoke weed all day or plays xbox all day without a job.

daniel - hey scott what have you been doing since you left school?

Scott - urgh what do you think? just been playing xbox 24/7

daniel - you're such a fail cunt

fail cunt by maddog219 March 25, 2009