When somebody thinks they're about to outsmart you and youencourage them to keep going, knowing you have a fact ready to completely humiliate them.
Mitt Romney: "You said in the Rose Garden the day after the attack, it was an act of terror... is that what you're saying?
Barack Obama: "Please proceed, Governor"
...
Romney humiliated by debate moderator
To make a blatent error in judgement or blundering mistake which benefits opponents or gives them an increased advantage in any type of competition. Derived from the 2006 Clemson University Football Team's quarterback, Will Proctor.
To continue a night of drinking even though the bars are closing. Usually involves a 3am gram of coke and a late night liquor store run. There is no reason for doing this. You will not get laid. You will not feel better about your self but you will do it anyway.
You're in the middle of making a peanut butter sandwich and turn around to get a knife. Upon turning back to make your sandwich, the peanut butter has been put away, prompting you to say "someone has Alan Proctored my peanut butter!"