An abbreviation, short for "Look at That Butt". Usually used when a girl consists of above average or higher quality butt. Can also be used on any occasion and/or female.
-A girl walks by-
by Kerbear February 18, 2012
look at that bum
your walking along with your friends and you see a girl with a nice ass in front of you so you say latb
by snazzylime August 07, 2011