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3.
when a person jacks off and successfully ejaculates 10 times in one day
"it took me all day to reach 10 X"
by 10 X April 21, 2010
 
1.
10x
ten + x = thanks

used mainly by aol "hacker" types and cs kids
<1337k1d> 10x m8 gg
<Anonymous> die please
by Anonymous March 04, 2005
 
2.
10x
Thankyou. 10x is a short way of writing thankyou. It's what a newbie writes to get away with actually writing just a few more letters.
Yo, 10x for the song.
by WildGlitch March 08, 2005
 
4.
10x
Ten times (as good).
How good is that?
10x, man!
by Alex Jones March 07, 2005