pulling a frago

When one agrees to participate in an event, proceeding to go AWOL on the day of said event.

"Hey man, you seen Snedders today?"
"Nah, man, he must be pulling a frago again."

Scobbed

When you make contact with a past acquaintance and they ghost you.

"Hey man, how did your catch up go with Scott?"
"It never happened. I sent him a message and he didn't get back to me."
"Shit bro, he really scobbed you."