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1.
Boston folks that think they are better than everyone else.
oh you can tell he is a Heffernan
by TheSnitch March 29, 2011
 
2.
A stuttering, mysterious Sears bound lad. Commonly goes by "cashier." Known for his dry humored jokes, and loves hitting on the babes. Tosh.0 is his love and finds pleasure and gets off to his good friend matt. Gets red on command and sweats profusely
Oh would you look at what Heffernan is doing now.
by John D. Ledwigh May 11, 2011