A Descriptive term used to describe a an individual who may have deficated on one's self with their pants on hence the back pocket; the term heavy describes the fecal matter.
After a shit reminiscent aroma swept through the library one of the students shouted out "whose got the heavy back pocket?"
by Vicious Styles March 2, 2010
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To have a big butt
That girl is very back heavy
by Young Miguelito April 21, 2017
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I can't lift you up cause my back heavy

These ratchets have heavy backs
These ratchets have heavy backs
by Buiyaa January 8, 2015
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