When you eat too many salt and vinegar chips and your mouth is raw and sour.
I ate a whole bag of salt and vinegar chips and ended up with douche mouth.
by Hollywars March 01, 2012
1 more definition
A real gutterfuck; stinkmouth scumbucket with stank breath. A blowhard assmouth that you just can't stand.
That radio DJ is a real douchemouth.
by Benson Tuckerstein April 11, 2006