1 definition by 7-deadly-sins

A vest or undershirt (US) is an article of underwear worn underneath a dress shirt. This Shirt worn by the older generation or a person called Brendon. The Brendon type undershirt wearer also tends to repeatedly sing 'somewhere out there' and sleeps on a deflating blow up mattress.
Lexi: Hey! Mr B why are you wearing an undershirt??

Mr B: Because i'm going to be 30 next year!
by 7-deadly-sins April 6, 2010
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