A tasty meal consisting of mashed potatoes, and meat wrapped in sheep intestines.

Can also mean - Penis (ie sausage or bangers) and Vagina (which rhymes with gash.
Tarquin: Mom, whats for dinner, I'm starving!

Mom: Bangers & Gash!

Tarquin: Ummm umm, my favourite! Make sure you do more gash this time!!
by Steeman May 6, 2005
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