What is Umphreak?
One who loves Umphrey's Mcgee like they would/do their own kid
Kid: Those 3 dudes from Ashwaubenon sure are Umphreaks.
Someone who is a hardcore fan of the jam band Umphrey's McGee.
Jim:I just went to my 20th Umphrey's show!!!
Dave:You're such an umphreak.