A man referred to as a "flasher" opens his coat in front of two women who shriek in horror. It is implied he is nude underneath, but he is only seen from behind.
Velma tries to trick Edna into thinking her husband is cheating on her by putting on a skimpy, red dress and going into his store. She strikes sexy poses and gets up on the counter right in his face, as Edna walks in. However, it is completely one-sided as Mr. Turnblad repeatedly tries to get her to back off.
Rumors are spread about Tracy being sexually active.
During a song about Velma winning a beauty pageant, she mentions that she "screwed the judges". Her title was "Mrs. Baltimore Crabs", which is a double entendrè, although it is highly unlikely that kids will know that.
Velma pulls padding out of a teenage girl's dress a teen boy pulls padding out of his pants before she does so to him.
One of the female cast members of The Corny Collins show says she's taking a hiatus for 9 months implying pregnancy. (Corny then makes a joke about her promiscuity)
Tracy places Penny's hand on her chest asking if she can feel her heartbeat, she then removes her hand with an embarassed look on her face.
During the "I Can Hear the Bells" song Tracy sings the line "Won't go all the way but I'll go pretty far" about the boy she has a crush on while behind the wheel of a car. The camera pans out to show a mortified Driver's Ed instructor.
Corny sings the line "Looks like you could use a stiff one" in a commercial jingle.
Link's song "Lady's Choice" contains multiple inuendos.
Edna mentions some of Prudy's "personal stains" require pounding with a rock.
While in detention Tracy slaps her butt and says "I'm a bad girl who needs to be punished!"
Mr Pinky tries to guess Edna's bra size when she tells him her size he exclaims "I've hit the mother loade!" In the same scene she is shown wearing lingerie in a fitting room.