When your friends forget to tell you about an event or party and then ask you why you didn't show up. You're stood up before you even get a chance to stand them up.
John C: Where were you on Monday?
Jen: What are you talking about?
John C: I thought you were going to come hang out with us.
Jen: You bastard you totally pre-stood up me.
A condition (or an incident) where you get unintentionally very, very drunk and more or less accidentally end up having sex with one of your colleagues. At every fucking company christmas party.
Oh look at so-and-so, she's leaving with yet another man from the engineering department. Didn't she go home with X last year? And, she's very, very drunk. What a pre-christmas cock-up. Again.