I get the jitters when I have to talk in public.Too much booze gives me the jitters.
the jitters
A temporary state of nervous anxiety or anticipation. Marty: "Are you ready to deliver your speech?" Anthony: "Yeah. I've got the jitters real bad, though!"I have a song that I hum to myself to help get rid of the jitters before big competitions.
the jitters
(ˈdʒɪdɚz)
n. the nervous shakes. I get the jitters when I have to talk in public.