Wrist frosty

From the song of the same name by Riff Raff. When your wrist is adorned with diamonds, gold, or any other kinds of 'ice.'

'yo dave check my new Rolex, she's a step up from the casio'
'damn Robert that wrist frosty'

Namca

To accidentally initiate an audio or video call in a group chat. Alternately, to intentionally initiate a call with the express intent of annoying members of a group chat.

"Oop, Brett pulled a Namca again!"