21 across
Hippies
excited
to
catch
fellow
swimmer
(8)
Hippies excited to catch fellow swimmer (8)
hints
0
checks
0
hints
The definition is at the end of the clue.
How the clue works
The definition is swimmer — specifically a rather odd-looking type of fish. Anagram "hippies" (that's your "excited" signal) to get PIPEIS, then catch fellow (F) inside it, and you've got PIPEFISH.