1. A small penis or the man who has one.
2.A man who shows cowardice or fear.
1. Girl1: I heard he has a gnat dick.
Girl2: Lololol
2. Guy1: I don't want to fight you.
Guy2: Go home you fucking gnat dick loser!
A "Jim Dick" is something measured in inches. It's very small and one has to mostly squint to see it. It's extremely rare for a Jim Dick to reproduce. Back in the Roman times a Jim Dick was thought of a form of mental retardation and these people were executed.
Hahaha look at that little Jim Dick
an occasion when you can't hold your nut for more then a few seconds.
Eminem had a horrible case of dynamite dick when he got it on with pamela.
your about to get your freak on with some mighty fine dime, and your worried helmet head might transform into dynamite dick.
When a girl wants to have sex with a guy only because he's popular
P1:"Why did Stacey and Kayden get back together?"
P2:"I guess she loves taking popular dick."
When a male sends a dick pic but his dick is on a tech deck so his Dick looks bigger
"Can you tell Clay to stop sending me Dick Decks"
A penis that has a light-colored tip that gradually becomes darker as you move towards the base of the shaft
girl 2: Did you hook up with Brad last night? How was it?!
girl 1: It was insane! He has an ombre dick!