a. [ See Touse, n. & v. ] Tousled; tangled; rough; shaggy. [ Colloq. ] [ Webster 1913 Suppl. ]
a. 1. Infested with lice. [ 1913 Webster ]
2. Mean; contemptible; as, lousy knave. [ informal ] [ 1913 Webster ]
Such lousy learning as this is. Bale.
3. Very bad; as, to feel lousy; to do a lousy job. [ PJC ]