1 definition by modesta

Top Definition
1. the false belief that one has a nice bum

2. a belief which often causes one to flaunt their botton, when it in fact ought to be modestly covered
Sarah's sudden appearance at work in a pair of tights caught her co-workers off-guard, who were surprised that such a sensible woman had bum delusions.
by modesta March 14, 2011

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