Top Definition
An accumulation of body mass in the chest area due to massive continuous intake of beer. A common companion to the beer gut, a natty rack is essentially a set of booze-induced man titties popular in the frat/partying college crowd.
Stacey: All the frat guys at the party last night were wearing too-tight polos showing off their natty racks.
by LSUWooHoo August 31, 2009
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