1 definition by M&M88

Top Definition
A Bro Tank is a male tank top, however it is NOT a wifebeater. The males who wear them are fellow bros with decent sized muscles. Bro Tanks usually have some type of pattern on them and are mainly worn in California.
Dude, I need to buy one of those Bro Tanks everyone is wearing.
by M&M88 September 29, 2010

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Buy a Bro Tank mug!