The Collaborative International Dictionary of English v.0.48:

Bootlick \Boot"lick`\, n.
   A toady; a bootlicker. [Low, U. S.] --Bartlett.
   [1913 Webster]

WordNet (r) 3.0 (2006):

bootlick
    v 1: try to gain favor by cringing or flattering; "He is always
         kowtowing to his boss" [syn: fawn, toady, truckle,
         bootlick, kowtow, kotow, suck up]