authentic, raw, real, hardcore, manly; as opposed to wussified, metrosexual, fake Usually used in connection with American Football, "to play smashmouth football"; allegedly coined by Chicago Bears coach Mike Ditka.
Also the name of two US-American bands.
"Oo-er, I'm afraid I've strained my ankle and need to be rushed to the hospital!"
"Forget it! We're playing smashmouth Rayman Raving Rabbids here!"
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.
We have a Zoom meeting in a few minutes and I’ll probably go pajama casual.