First he lies on one side, then he lies on the other.
A few other excellent puns:
He wasn’t originally going to get a brain transplant, but then he changed his mind.
Which country’s capital has the fastest-growing population? – Ireland. It’s Dublin every day.
A supercilious crook going downstairs? Oh you mean, A condescending con, descending.
Jill broke her finger today, but on the other hand she was completely fine.
England doesn’t have a kidney bank, but it does have a Liverpool.
I tried to sue the airline for losing my luggage. I lost my case.
I went to buy some camouflage trousers yesterday but couldn’t find any.
I can’t believe I got fired from the calendar factory. All I did was take a day off.
The man who survived pepper spray and mustard gas is now a seasoned veteran.
Will glass coffins be a success? Remains to be seen.
‘I have a split personality’ said Tom, being Frank.
What did one flag say to the other? Nothing, it just waved.