Someone who knows how to play the bagpipe and doesn't.
A bus driver knows the stops and a cold stops the nose.
I don't know I wasn't invited!
They always want to play leap frog with him
Syrian Mckellen
Two flutists playing in unison.
A fart with a lump in it
Please! I in cyst!
It's so inconsiderate! Good thing I was still up playing my bagpipes.