What are they, I don’t understand.
Hair shorn from an animal, typically a sheep, then spun to make thicker fibres.
It’s a joke about ‘Woolybacks’ right? Might be “McBaining” myself here - I never know here when things are running joke.
Based on the other t-shirts on that page all being places on the Wirral, I believe this is correct.
People from the Wirral or Runcorn/St Helens/Widnes
came here to post this
(never heard of it until I heard the song)
Pretty sure that makes u a wool, soz