on my j's

The act of waiting to take a dental exam.

Hey where are you?
Im here on my J's

Jocking my j’s

To mess with someone. Ex pulling my chain

Why you jocking my j’s

H-ing my J

When you think someone is joking but they are actual serious

You’re h-ing my j right now.

help my j key is broken

often typed when a j key on a keyboard is broken.
wait how would you type it if its broken?

Help my j key is broken on my keyboard!