look up any word, like pretty face challenge:
 
1.
jacking off; getting down all by yourself; masturbating.
"l'm pretty hrny. l'm gonna g ohave solo sex now."
by sexykittenn614 August 07, 2008
 
2.
The ability to insert his penis in his asshole.
Guy1- Dude, I nearly had solosex last night!
Guy2- What happened?
Guy1- I got the head in!
Guy2- So close but yet soo far.
by Robyo August 26, 2008