look up any word, like wyd:
 
1.
Somone who constantly uses vile language.
Hey, sewer mouth, watch your tounge.
by Light Joker September 28, 2004
 
2.
The disgusting taste that you get in the morning on wake up. Ofter accompanied by a compelling need for a drink. This feeling is experienced most mornings but is intensified after a heavy night of drinking or after a curry.
Text 1: Hey man...how good was last night!? Had such an amazing night
Text 2: Yeah it was pretty good but the curry followed by drinking gave me the world's worst sewer mouth....
Text 3: Yeah ditto...
by Milky655 May 03, 2010