
1) All talk and no action 2) American game show 3) Assent without action 4) BBC television drama 5) Bit of insincerity 6) Empty words of promise 7) Empty words of support 8) Faked support 9) Form of insincerity 10) Insincere agreement 11) Insincere homage 12) Insincere promise 13) Insincere promise to perform
Found on
https://www.crosswordclues.com/clue/lip-service
[game show] Lip Service is a game show that aired on MTV from February 22, 1992 to January 3, 1993 and again from May 10, 1993 to December 17, 1994. It was hosted originally by Jay Mohr, who was followed in the position by John Ales. Both hosts were joined by a rap-style disc jockey and included Spinderella (from Salt `N Pepa), Monie Love, ...
Found on
http://en.wikipedia.org/wiki/Lip_Service_(game_show)

Lip service is slang for fellatio.
Found on
http://www.probertencyclopaedia.com/browse/ZL.HTM
No exact match found.