X is for ...

a lot of stuff ;-) ... like

laughing ... XD
kisses ... ;-x
love ... xxx
more love ... XXX
lots of love ... XXX)
heartbreaker X<>X

checking yes ... x
checking no ... x
checking anything else ... x
your signature ... XXX

being wrong ... xxx
being dead ... x_x

x-tra
x-tern
x-mas
x-treme
x-tended
x-tinguished

simple x
double XX
triple xXx

a whole bunch of aztec gods (as Dom told me)
Xipe Totec ... Xiuhcoatl ... Xiuhtecuhtli ... Xochipilli ... Xochiquetzal ... Xocotl ... Xolotl
 
or just
X

and for X music I chose Xtended ...
I had the pleasure to play with the drummer and the singer in some of the 3KS projects ...
those nice guys simply ROCK !!!
Enjoy