An awesome person. Doesn't need to be a male can also be female. Someone who is always up to do anything for a laugh and is nice, caring and HOT ontop of that. Don't just call ya mates Ali, pick out a random from the street, nudge ya mate and let em know ya laid ya lucky eyes on an Ali!
Ben - Yo man did you check that chick?
Greg - What the blonde hottie?
Ben - Yeah god what a fucking Ali
Greg - Shit yeah. Agreed