Green’s Dictionary of Slang

boep n.2

also beer-boep
[Afk. boepens, a paunch]

(S.Afr.) a paunch, a beer belly.

P. Soldatos in Darling 9 June 34: If you’re fat don’t wear your trousers tight. Everywhere we’ve got to look at three layers of boep sticking out.
[SA]P. Slabolepszy ‘Under the Oaks’ in Mooi Street (1994) 4: His most prominent feature is his beer boep.
[SA]IOL News (Western Cape) 20 Dec. 🌐 [headline] Excuse me, that boep will cost you double [...] The company will strictly enforce its policy of charging larger passengers for two seats.
[UK]C. Miller Salt and Honey 141: Andre was handy with those sledgehammer fists of his, but his beer boep would definitely cost him.
[SA]IOL News (Western Cape) 9 Sept. 🌐 Men incinerate carbs at a rate of knots which explains why the beer-boep only sprouts at 30.
[SA]IOL News (Western Cape) 16 Aug. 🌐 It’s official—the bigger your boep, the shorter your lifespan.