look up any word, like pussy:
 
4.
A Facebook user according to BBC.
James is the biggest saddo, his late night likes tell a sad story that would certainly result in divorce.

Do you guys remember what happened to that saddo Jill after the boys from Ebaums world posted golden shower pictures on her facepage?
by nullifie July 05, 2010
 
1.
a sad fuck of a person
you watch 'american idol'? you saddo!
by izit April 15, 2004
 
2.
Anybody who spends the small hours of the morning searching this website.
Oh Fuck!! I'm a saddo.
by titwanker July 20, 2004
 
3.
someone thats doing something that isnt "cool"
your 21 and you watch scooby doo you saddo
by Craig Anthony June 07, 2007
 
5.
1) Acts like a kid
2) Laughs at nothing
person1: i watched teletubbies with my mum and im in high school
person2: omg your such a saddo

person1: haha your hairs blowing like a scarecrow
person2: shutup yah saddo
by ronnie1997 August 05, 2011
 
6.
Disgusting Pervert. Typically of the smarmy male variety.
My brother Lenny is such a Saddo.
by XReneeX April 08, 2006