barmcake noun2 •(UK) A barm (bread roll).Without these deprivations we would have missed the exquisite pleasure of a Spam barmcake, bought at a local cafe on pay day. — 1975 •(UK) A foolish person."More like his coffin if the barmcake tries to take on the river tonight. Och, but it'll serve him right." — 2003 formsbarmcakes