Top Definition
1. A person who is a gigantic dummy, and a humongous jerk.

2. A person who will call your' friends grandma crying to get him bitched at, when you(not your' friend) was man enough to tell that person they were wrong, which they are.

3. Kelley.
"Kelley how can you have the audacity to be such a bigdumbjerk, and always have to win the argument by saying how mean I am and using that as an excuse to say you're right, which you aren't"

"Kelley don't you think being called a beingbigdumbjerk was the ultimate internet callout to show you always have to be right, which you aren't?"
by WahImAnOnion October 28, 2008
5 Words related to bigdumbjerk

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