Them

Why do all the boats in Scandinavia have barcodes on the sides of them?
It makes it easier to... scan da navy in.
I bought a second hand time machine the other day.
They don't make them like they're going to.
Did you hear about the math professor who was afraid of negative numbers?
He will stop at nothing to avoid them.
How can you tell the difference between a chemist and a plumber? Ask them to pronounce "unionized."
Evolution is so strange. Dolphins started off as sea creatures, then evolved to have legs, only to eventually return to the sea and lose them.
Kinda defeets the porpoise, don't you think?
Before training its killer dolphins, Iran had to convert them to fishlam.
Why do criminals hate coins?
Because half of them are coppers.
Enough of the Corona virus jokes
We're all getting sick of them!
Some say that puns aren't very funny, while others take them very seriously...
I guess the one thing we can all agree on is that puns are no joke.
Why are the railroad tracks angry? Because people are always crossing them.
Why did the electrical cords break up? There was no spark between them.”
Why did the electrical cords break up?
There was no spark between them.
Just found two lumps on my car battery.
Got them tested, one came back positive. I hope it's not terminal.
Power naps are great. You can really build up charge with them.
I got really good at telling them, so I’m being crowned the king of corona virus puns.
You’re all formally invited to attend my coronation.