whet (one's) appetite(redirected from whet his appetite)
whet (one's) appetite
To spark one's interest in something. The first chapter of that novel really whetted my appetite—I'm eager to read more of it tonight.
whet someone's appetite
Fig. to cause someone to be interested in something and to be eager to have, know, learn, etc., more about it. Seeing that film really whetted my sister's appetite for horror films. She now sees as many as possible. My appetite for theater was whetted when I was very young.
whet one's appetite
Arouse one's interest or eagerness, as in That first Schubert piece whetted my appetite; I hope she sings some others. This idiom, first recorded in 1612, transfers making one hungry for food to other kinds of eagerness.