A word, more-so-commonly a name, used to describe people who think they are body builders that have somewhat of noticeable chest but a back that is nearly transparent; especially when viewing the person from the side.
Dude 1: Wow you see that guy with that chest?
*Guy with big chest turns to his side*
Dude 2: What guy?
Dude 1: oh shit, he disappeared!
*Guy with big chest turns back towards them*
Dude 2: Oh, wow, he has noback.
nowacked: Verb, The act of meeting, for the first time, a chick you talked to on the phone for several weeks who had a really HOT voice and ended up weighing 300 pounds.
Davegot nowacked by this chick last year when he went to Daytona!
Pajama casual is a term used when working from home and preparing for a video conference. All business above the waist and your pajama pants down below.