Top definition
(yuh-mil-boe) in excitement. like the word yay! with great joy. or congratulations. positive.
one
Courtney: Chris just asked me out!
Hannah: Umilbo! (congrats, or yay)

two
Courtney: Umilbo! (yay) No school today
Hannah: Umilbo! (positive, excited)
by JoMar Joritess June 11, 2008
Get the merch
Get the umilbo neck gaiter and mug.
Apr 22 Word of the Day
When you eat dirt for the first time and leave your family to build a shack in the woods
Bro since I got dirtpilled on Tuesday I have made sooo many worm friends and made them soo many little houses to get married in. Me? Lonely? No you’re the lonely one u lawn owning freak
via giphy
by ecogoth December 30, 2020
Get the merch
Get the dirtpilled neck gaiter and mug.