<human>: Ok, so this happened about a year ago. A few quick points to note: I had a fat phase in high school (23 now), but I've managed to maintain a fairly successful health routine up since then. Granted, I still have a little extra on my stomach and ass that I cannot get rid of for the life of me. 

Anyway, this was last Summer, and I was in the best shape of my life. I've never felt better about myself physically. A good friend of mine and I had a habit of playing tennis at a local park that's directly adjacent to a small middle school (this will come into play shortly) once every two weeks or so. It was a beautiful day, so we decided to play. 

Now, it was hot — probably upper-80s or so with no clouds in the sky. So inevitably after a few matches I decided to take my shirt off — no shame, right? Fat me is dead and gone. 

Welp. About ten minutes after exposing my proudest physical self I hear an adolescent voice float across the court, obviously directed at me...

"HEY CHUB CHUBS! NICE ABS CHUB CHUBS! BEEN WORKING HARD HAVEN'T YOU CHUB CHUBS!?"

Yep. I know it was just some punk ass thirteen year old that thought he was being cool, but holy shit that cut straight to the soul. And I just reverted to my awkward high school sensibilities and just chose to look down and ignore the badgering. 

My buddy fell over laughing — just couldn't control himself. Now every time we play tennis or I take my shirt off, someone in my group of friends calls me Chub chubs.

Give me the gist of the text in a nutshell
<bot>: Was fat. Got skinny. Took my shirt off while playing tennis and got called chub chubs by a middle-school kid. Now I'm permanently chub chubs.