(Noun) - Otherwise known as "Super Chief Engineer UMm-Chuck" or just "Chief" UMm-Chuck is a position held by few that is in charge of multiple tasks. When ever something is broken UMm-Chuck gets the call. Unfortunately, Its is just broken in more ways then can be fixed.
(Verb) - "To UMm-Chuck" is the action of giving deep tissues massages followed by a quick reach around "Boob tap."
Sam: Do you know what UMm-chuck just did?
Chris: No what did he just do?
Sam: He just gave me a back massage and tried to do a fail reach around. Followed by the "I dont know what just happened" and he just walked out of the room..