We don't have synonyms for gag line yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are gasoline, gas line and tag line.
(N) :
The GAG line, which as an acronym for Goal-A-Game, was a famous ice hockey line for the New York Rangers in the late 1960s and early 1970s, as these linemates averaged over 1 goal a game while playing together.
(N) :
The GAG line, which as an acronym for Goal-A-Game, was a famous ice hockey line for the New York Rangers in the late 1960s and early 1970s, as these linemates averaged over 1 goal a game while playing together.