1 definition by we'regannabattlethisyear

When your pants keep falling down and won't stay up. Comes from a children's game where they say "london bridge is falling down." Britches is southern slang for pants. Mix them together and you get london britches.
man, i should have worn a belt - i'm getting London britches
by we'regannabattlethisyear October 25, 2006
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