fartbreather
A person who is within 1m radius of the realease of a fresh fart, not including the source.
OMG he is a fartbreather.
fartbreath
the meaning is so obvious it doesn't need a definition - someone whose breath is so bad it smells like a fart! Doh!
'Hey fartbreath! Have you ever considered chewing garlic to improve the smell?'