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Uboa is a character in a 32-bit PC game called Yume Nikki. He/ it appears in a random event in which you turn the lights off in Poniko's house, causing Poniko's sprite to change into Uboa. In this event, the room is changed slightly, and a muted "aaaaaaaaaaaah" sound is heard. He is known for surprising players.
Don't mess with the lights, or Uboa's gonna com-aaaaaaaAAAAAAAAAAA
Uboa by Alice Owen July 2, 2011
Related Words
uboab Uboa ubomb ubab Ubaban Ubabi ubablesn uboaja uboatflowerboi Uboatin
Verb.
When a friend online keeps on sending you youtube clip links, particularly when late at night and the friend has nothing to do but wastes time and wants to share a good laugh.
John: "I saw you online like 2am last night, what were you doing?"
Me: "Oh Mark ubombed me for like 2 hours with fail.org clips."
John: "Nice."
ubomb by EuGB April 14, 2009
the hottest Uboobear driver drove me home today.
uboobear by Chickenwangsalmi March 10, 2015

ubobo chic 

urban hobo chic also known as trendy homeless couture. you know, wearing several long, ratty tshirts, giant sweaters that go to your knees and shit.
look at steve! he looks like a homeless dude, but kinda trendy. he's definitely ubobo chic today!
ubobo chic by U. Atea Ma December 24, 2008
person A: "hey man, you wanna go Uboat?"
person B: "sure dude, i need a doog something fierce"
Uboat by sauve8392 June 12, 2009