What is bananas in pyjamas?

An uncircumcised penis

Bloody hell Mike your bananas in pyjamas! Get it cut!

Sorry Martha

bananas in pyjamas - video

Bananas in pyjamas - what is it?

a penis wearing a condom

those men have their bananas in pyjamas...

What does "bananas in pyjamas" mean?

Shit childrens programe.

Oh fuck bananas in pyjamas again!!!!!