"To make her husband jealous, she lights up a cigar and leaves it where her husband will find it. She exaggerates the difficulty of lighting the cigar, and makes a lot of funny faces. For a more elegant version of this gag, check out Myrna Loy in 'So Goes My Love'."
Other references to this movie:
Lucille Ball - Picture - dangling cigar, from Lover Come Back (1946), 19k
, Allposters.com