isn't it also slang for someone from the midlands ?sweet potato is yummy in soup
EDIT: half right www.urbandictionary.com/define.php?term=yam%20yam
(EDIT: half right www.urbandictionary.com/define.php?term=yam%20yam
Dick Wonder ₐ wₒₙₖy, wₐᵥy wₒₙdₑᵣ,
Sat 18 Aug 2012, 22:55,
archived)