A group of mussels that has some nice big muscles.
"Yo those mussels got muscles! Man those muscles are absolutely huge bro! Anyways, let's eat!"
A muscle that hangs similar to fat. Some people claim that they actually are fat.
Jim looks like he gained a lot of weight, but he said that it was actually lazy muscle.
To act like a tough guy when your friends are with you, to someone who you would not if you were alone.
Carlos and Jared: Did you talk any more shit to Bill when we were gone?
Xander: No, you guys werent here.
Carlos/Jared: But you're so tough, you have meaningless tattoos, you listen to rap music really loud, and you go by Xander instead of Alex or Alexander.
Xander: I guess we all just have friend muscle.
Another term for a small, limp, useless john
My ex boyfriend had a really 'subtle muscle' which is why I left him
or
Older men can sometimes suffer with 'subtle muscle'
A special kind of muscle that can only be created by a few men in this world. To grow the type muscle you must drink many many bud lights whether it be keg can or bottle beer, as long as it's bud light. The only twist is that you have to be born on valentines day. In this case all the bud light that's consumed will become Beer Muscle because of all the 12 ounce curls and the females love it.
"Check out that guys muscles. I heard he doesn't even work out."
"He doesn't, he just drinks Bud Light every day and developed beautiful Valentines Beer Muscle"
When you want to type "muscles and" but you type it wrong so it becomes "muscle sand."
User 1: Today at the gym, I worked out my muscle sand abs.
User 2: Muscle sand?
User 1: Oh I meant, muscles and abs
User 2: Don't worry, it happens to the best of us.