Jamming to your favorite music while wearing some extremely rock worthy/incredibly comfortable night clothes. The more the merrier, but also equally as fun when on your own. Add in some air guitar, or air drums, and your Pajammin session is complete.
I was really tired the other night but I just kept pajammin!
-or-
Person A- "Dude, you're still up?"
Person B- "Yeah, man. Once you start pajammin you can't stop!!"
Person A- "Good point. I'm coming over!"
Person B- "PAJAMMIN PARTY!"
is when you "rock out" or "jam" in your PJ's. While mostly common when playing the video game Rock Band, this can also be done playing 'real' instruments.
Henry: Hey, Sean, wanna pajam tomorrow morning?
Sean: Hell yeah Henry! I love pajamming after a sleep over with you!
*kisses*
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.