a mysterious person who shows from nowhere, typically smart or a wizard
"melvin appeared and then left"
the act of disappearing from locations without warning or the act of not showing up
"dang my bro was doing A Liam Maneuver on the test day"
used to describe a class skipper typically comes back after the announcements summon them back
"he has been gone from the class for 40 minutes he's being the Nnamdi"