What's the meaning of "Vanilla"?

[ICEx21]

Just what the thread title says, what do developers mean when they say a game/mod is the vanilla version?
Just wondering if somone can clarify this for me please.


Cheers

 

[ICEx21]

vanilla sex = booooring

chocolate chip ***

is chocolate chip sex when it looks like you have chocolate chips all over your thingy after d***y style?

Cheers people for clearing that up though. Confused the hell outta me when I first heard that.