someone who seeks favor or goodwill in a servile, degraded way; toady: He comes across as a facile bootlicker, someone who would do anything like a lapdog to please somebody in the chain of command.

What does Bootlicker mean Oxford dictionary?

noun. /ˈbuːtlɪkə(r)/ /ˈbuːtlɪkər/ (informal, disapproving) ​a person who is too friendly to somebody in authority and is always ready to do what they want.

Where does the word Bootlicker come from?

boot-licker (n.)

also bootlicker, "toady, servile follower," 1846, from boot (n. 1) + agent noun from lick (v.). Foot-licker in the same sense is from 1610s.