Whet your appetite is a phrase meaning to "sharpen one's desire for food" whereas wet your whistle refers to having a drink. Here, whistle is a metaphor for the mouth itself and thus wet is the appropriate word. ... There will be drinks on sale and a barbecue to wet the appetite.

What does whetting mean?

transitive verb. 1 : to sharpen by rubbing on or with something (such as a stone) whet a knife. 2 : to make keen or more acute : excite, stimulate whet the appetite whetted her curiosity. whet.

What does the word whets mean?

whet. / (wɛt) / verb whets, whetting or whetted (tr) to sharpen, as by grinding or friction. to increase or enhance (the appetite, desire, etc); stimulate.