Top Definition
The theory that almost all guys do not know what color boxers/ briefs they are wearing at any given time unless they
a. just changed
b. checked while you were not looking
c. just had sex
d. are gay
the underwear theory proves boys, when asked what color boxers they are wearing, will say

"uhhhh....does it madder?"

"Hell I don't know!"
by softballlover061 June 22, 2009
5 Words related to underwear theory

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