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When your forelimb extremities become deliciously pleasant-smelling after eating a big, juicy, and meaty submarine sandwich fully-loaded with toppings and dressings.

Sub hands are often common to fat people, and individuals present with them are usually avoided by anorexic whores and gay dudes.
1) "I had a fucking amazing lunch earlier at Firehouse Subs, but now I'm constantly catching myself sniffing my aromatic sub hands."

2) Girl: "Rob is so sexy, but he always has sub hands. It's such a turn off."
Boy: "I couldn't agree more with you."
by Lot C January 05, 2011