Here are the possible solutions for they might have underwires clue
Answer
Clue
Relevancy
bras
Clue
They might have underwires
Garments with underwires
Definition
(Spenser) brass
bra
Clue
Item with underwires
Garment with underwires
Definition
(short for) brassiere
ews
Clue
Sounds you might make when I say "Would you rather watch your parents have sex or have your parents watch you have sex?"
newt
Clue
Gingrich who said "females have biological problems staying in a ditch for thirty days because they get infections and they don't have upper body strength"
Definition
a tailed amphibian of the salamander family, also EWT
edwardgrobinson
Clue
Actor who said "Some people have youth, some have beauty—I have menace"
uberdrivers
Clue
You might rate them on their route and they might rate you on you vomited everywhere