Top Definition
Bad breath resulting from sitting in front of one's computer too long. It is very similar to morning breath.
Husband return home from work and leans in to kiss his wife. "What a long day. I sat at my computer and didn't move for 8 hours," he says. Wife replies, "WOW! you're not kidding, you've got a serious case of computer mouth. You should go brush your teeth before you think about kissing me."
by Matthew Michael Wesley August 24, 2008

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