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5. dumby
A noun used to represent dumb or slow people. Also can be used as an adjective.
"You are a serious dumby."
"Hey you dumby jerk, why are you taking my car?"
1. dumby
Common misspelling of the word dummy, almost always used by the people who can easily be described by the word itself. Just because dumb has a "b" at the end, does not mean dummy has to. Also, dummy does not rhyme with Gumby.
"You are such a dumby!" -Lauren, Monica, etc...
"Actually, you are the dummy!" -Brandon
2. dumby
a person who is the opposite of smart
joe wilson is a dumby because he had a chance to date the hottest/nicest girl in school, but he blew it because he is a dumby
by jayfelice Dec 23, 2003 add a video
3. Dumby
When someone is acting dumb, they are a dumby. The logical spelling of the popular word dummy.

Pronounced (DUM-b-EE)
Jerome: Gosh, Alan, you're being such a dumby!
Alan: What the hell, Jerome? Dumby? What is that?
Jerome: You're being dumb. You're a dumby!
4. Dumby
A person with no common sense. One who lacks all judgement.
The Bling is a big dumby.
by Nads Aug 26, 2004 add a video
6. dumby
A verb meaning "very", the preppy version of the term dumb.
I was dumby tired during math class, so I fell asleep.
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