1 definition by Red Bum Jihad

When your bum is irritated and uncomfortable and feels as if it is red. One may find they have a case of 'red bum' is the anus is irritated and almost inflamed.
"Well, darn Larry, last night I was eating burritos and drank about 30-something beers, had redbum all day."

Bum: I'm so sore and embarrassed *cheeks blush*
by Red Bum Jihad July 8, 2013
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