Someone who's considered soft or a 'softie'. A davit is often inter changeable with the word softie. A davit would have a distinct lack of toughness about them.
''Is that a davit over there?'' 'obviously ya muppet, look how soft that fella is'
Ulzzang true definition is "best & "face" = best face in korean. They are basically people with above average looks, sometimes with the use of photoshop and haduri who post their pics online, some becoming internet celebrities.
"Hey, see that chick over there? She's pretty enough to be an ulzzang. :D"