Never mind that it seems like gooblekook. It's a term that might have originaed in a 1935 chess game. It more likely originated in the world of online gaming. Someone probably meant to type, "I own you." and made a typo that has been accepted by the online community, so now we're stuck with, "I pwn you"
OK, English majors, the damage is done. But what this piece is meant to convey is that you have the ability to check to see if your email address has been compromised, or pwned. If you have, you need to act.
There are a lot of resources available to check your online security. Some are complex. Some are easy. This one's easy. Visit the site
PWN'ed?
There are other things you can check while you're there, e.g. passwrod checking, etc. It's up to you to decide how you feel about that. But checking your email address is simple and seems non toxic.