I suggest giving him/her some deodorant as a gift. Surprise them with a basket of stuff...put munchies, shampoo, deodorant, body wash, etc in it. If he/she doesn't get the hint, you might just have to come out and tell him/her about the body odor.
The best way to find a trustworthy flatmate is through common friends. This way, both persons will know from the start the personality of the flatmate.
The Abominable Flatmate - 2008 is rated/received certificates of: Australia:G
You can tell by the smell if it smells like rotten cheese boy and if it smells like melting something girl
"No offence, but its smells very bad in here."
Well, there really isn't a term for that. Though you CAN tell the difference between a lot of smells, you can't really tell much difference between the two unless you have some familiarity with them.
it smells like a carcass
Call the authorities and find yourself a new flatmate. If that one is older than two years old, he/she has serious mental issues that you don't want to trouble yourself with.
the oil is darkit smells burnt
The cast of The Abominable Flatmate - 2008 includes: Christopher Baker as Bommie Hannah Durack as Sarah Brian Mott as Graham Jonny Pasvolsky as Chuck Dudekov
because it smells like poo
if it smells abnormal if its growing mold
if it smells and tastes sour? also if its chunky