Urban Dictionary: Italian dinner jacket

A sleevless T shirt also known as a wife beater or guinea tee.

Uncle tony's all dressed up in his Italian dinner jacket for sunday gravy.

by garand March 06, 2011

A man's sleeveless undershirt. White, or at least once-white.

Also called IDJ or an Italian tuxedo.

Bruno wore his Italian dinner jacket to Angelo and Carla's wedding.

by Cap'n Bullmoose April 23, 2005