Oh, Brilliant, you never cease to amuse me!
On the other hand, if any of you know of other (terrible!) mathematical puns/jokes, feel free to share them!
I'll start with a classic:
What did the zero say to the eight? "Nice belt..."
*Note: I hope this post does not contravene any Brilliant guidelines, considering its admittedly loose connection to math/physics... If it does, I'd be glad to take it down. :)