Here are the possible solutions for they have trunks but don't go swimming clue
Answer
Clue
Relevancy
autos
Clue
They have trunks but don't go swimming
Definition
AUTO, to ride in an automobile
aortas
Clue
Trunks in trunks
Definition
AORTA, (Greek) the main blood vessel from the heart
barechested
Clue
Like men modeling swimming trunks
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
