whet somebody's appetite

whet (one's) appetite

To induce or increase one's interest in something. The first chapter of that novel really whetted my appetite—I'm eager to read more of it tonight.
See also: appetite, whet
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

ˌwhet somebody’s ˈappetite

make somebody feel hungry; make somebody interested in something: Don’t eat too much of this dish. It’s only to whet your appetite for the main course.One of my teachers lent me a book about climbing, and it really whetted my appetite.
If you whet a knife, sword, etc., you make it sharper.
See also: appetite, whet
Farlex Partner Idioms Dictionary © Farlex 2017
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