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1.
"For your eyes only"
When a person wants to show you something that isn't for others to see via webcam...usually that person is a girl:)
Boy: "I'm so horny right now. Please show your boobs."
Girl shows him her boobs and plays a bit with them and then writes down: "4YEO."
by _Shibby_ October 14, 2007
 
2.
for your eyes only. just for your eyes
This picture was made 4yeo.
by neeeeyc October 13, 2007
 
3.
Means "For Your Eyes Only".
My body is 4YEO.
This gift is 4YEO.
by mr. static October 15, 2007
 
4.
Meaning: For your eyes only.
This document is categorized 4YEO

or a cheerleader having thongs with 4YEO sign written over them
by kekkec October 10, 2007
 
5.
It means:
For your eyes only
This is 4yeo ---> (.)(.)
by TheNameIsNotImportant October 12, 2007
 
6.
In geek language means "for your eyes only".
(Over the net)
Man: Oh girl, take that shirt of!
Girl: Ok, but 4yeo
by Sapra October 07, 2007