Top Definition
A corruption of "ultralow", derived from "gamer of ultra low skill level". Used to describe the worse players of competitive online games, mostly shooters.
n00b: lol i cant get keelz XD
pro_gamr: that would be because you're a tremendous ulow
by caius112 May 23, 2009
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.