Compound of tail + wagger.
tailwagger (plural tailwaggers)
- (slang) A fawning or overzealous fan or supporter.
2002 December 19, Doug Bashford, “T-Shirt is a potential threat to bush”, in alt.politics.democrats.d[1] (Usenet):And you display in every word you write that you are a partisan tailwagger, more interested in party politics than the good of the nation.
2003 October 30, Crash, “NEW! A big Fat LIST of BUSH LIES”, in alt.politics.liberalism[2] (Usenet):idiot big-government tailwagger bootlick. blow me little punk
2007 April 29, duke, “What the So-Called "Pro-Life" Crowd Hide From”, in alt.abortion[3] (Usenet):You're getting to be a real tailwagger for her. [Response: Yet you seem to want to respond to everything Bud says, dave. Who's wagging who's[sic] tail here?]