whey /hweɪ/exclamation 3noun 1forms 1 exclamation3 •(UK) A shout of enthusiasm or delight... apart from Max, who rode his pallet like a surfboard with a huge grin plastered across his face. “Wheyyyyyyy!” Max yelled with delight. — 2011 •(UK) Shouted when someone drops a glass or other crockery, especially in a pub.12. Smashing a glass and the whole bar choruses "WHEYYYY". — 2014 •(UK, old-fashioned) A shout for attentionHe swayed over to the door, peered out, shouted "whey!" and came back, looking severe. — 1928 noun1 •The liquid remaining after milk has been curdled and strained in the process of making cheese.Little Miss Muffet, She sat on a tuffet, Eating of curds and whey; There came a little spider, Who sat down beside her, And frighted Miss Muffet away. — 1805 formswheys