look up any word, like fellated:
 
1.
a word to describe a mixed race or light skinned person .. some ppl take it to offence though
oh my days .. whos that lighty over there :O
by nynynyesha October 10, 2010
 
2.
Mixed raced girls,
that lighty looks sexy, i love lighty's
by Urban man123 August 08, 2010
 
3.
Lucy; dim light; small light
nickname often used by Erik to refer to Lucy.
EXAMPLE ONE:

There isn't enough light in my room!

Dude, you should at least get a lighty. It doesn't give off much light, but that's what makes it so cool.

EXAMPLE TWO:

Lighty is awesome!

Who's that?

Lucy!

Oh!
by LjHs October 05, 2007
 
4.
Scottish slang.
When the sun has not quite set at night or when it has started to rise first thing in the morning.
Here, we've been oot that lang its pure lighty!
by Ryan13 June 26, 2007