Noun
a joke whose effect is achieved by visual means rather than by speech (as in a movie)
Source: WordNetAs for Dan, his inability to leave well enough alone looks poised to bite him, and the sight gag of his increasingly ridiculous layers of bronzer makes for a fun runner. Source: Internet
In the book signing, it might have been a fun sight gag just to see a future Cindy with that weird hat standing off in the background or something. Source: Internet
So I like the idea of taking this symbol and not just relying on the sight gag that it inherently is. Source: Internet