Top definition
A person with whom one shares a rental property.

AKA a room mate or roomie.

Someone to split the rent with. (If they have the money)
Tom: Whoa, Somebody broke in and trashed your apartment while you were gone!
You: I wish. No, it was just my Flat mate, he's a pig.

You: Hey will you wash the dishes?
Flat mate: Ignores you and goes to his room.
by Pyro ND June 04, 2009
Get the mug
Get a Flat Mate mug for your bunkmate Manley.
Jun 13 Word of the Day
No Bull Shit, and old hacker acronym which is usually used to signify that the talk will be serious.
User: I need to talk to you, NBS.
User2: ESAD, Noob.
by Heko July 17, 2004
Get the mug
Get a NBS mug for your brother-in-law Vivek.
1. A femail friend with small or non-existant mammaries
2. A person who lives in the same flat as you.
What do you think of Emma?
She's flatmate
I'm going for a beer with my flatmates.
by Fraser Steen October 20, 2006
Get the mug
Get a flatmate mug for your guy Jerry.
I girl from Australia or New Zealand chick that is flat chested slut who you have sex with..
A Flatmate is; A flat chested girl from the the south pacific, generalized towards Kiwis and Aussies chick, whom were not "blessed" with tits!
by Dempset January 24, 2011
Get the mug
Get a Flatmate mug for your Facebook friend Julia.