one who becomes intoxicated after a few drinks and flirts with everyone

British slang term to describe something pleasing or desirable.

somebody who drinks alot

Noun: A Person Who Drinks A Lot
And Gets Drunk Has Fun and Usally Gives It Up Easily

If presented with an opportunity to drink shamelessly and in large quantities, and if in the mood for a drunken good time, a lush generally won’t pass up on it.

Akin to a hedonist, a lush is a person that lives for pleasure; specifically, a person that spends alot of time intoxicated.

British slang term to describe something pleasing.