Much like the humpback, Rollback whales are known for their large size and peculiar shape when compared to other mammalia. Their main habitat is Wal Mart, where roll back prices are abundant. Too large to move under their own power they rely on small electronically powered vehicles to move them about the store.
"Holy shit dude, so many Rollback Whales at Wal Mart today, this one had to be at least 400lbs"
by InternetBully December 28, 2011
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