flapjacky adjective2 •(UK) Resembling or characteristic of a flapjack (oat bar).The only downside was the lack of vegan puds, they did have an apricotty flapjacky thing but a 'real' cake would have ensured top marks!! — 2003 •(US) Resembling or characteristic of an (American) pancake.“You once told me a man is what he eats. I ate flapjacks for breakfast and I’ve felt kind of flapjacky all day.” — 1961 formsmore flapjacky · most flapjacky