Top Definition
The unslightly rolls of back fat found on obese people or land bound orcas. Coined because the rolls resemble a stack of pancakes - hence, stackback.
Dude, that chick's got stackback! Nasty!
#stack back #fat #obese #rotund #portly #nasty fat #orca fat #land bound orca #land bound orcas
by sdeadmonkey November 24, 2005
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