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When a woman's pants are so tight the flatulence escapes forward instead of backward.
When I get bubble britches, its' time to either eat less, or buy new jeans.

Bubble britches is a necessary evil which plagues many ballerina jumps!

A strange and surprising phenonomen, bubble britches can afflict a girdle wearer on a regular basis.
by People Watcher May 05, 2009
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