wideout is slang for wide receiver

football and wide receiver

You are a receiver playing American football.

Sleeper Wideout is gonna be Lee Evans. Always forgotten with a team like Buffalo, Evans is capable of getting huge 80yrd bombs for TD as well as his normal 15-20yrd routes.

Most wide receivers don't because it can restrict your movement and a receiver needs to be able to get his head around quickly to see passes. Some do if they have had neck injuries or just feel safer/ more comfortable wearing one.