That ackwasrd moent when you actually take an arrow to the knee

That awkward moment where you are spreeing and your shoulder hurts.

That awkward moment when you realize that you're using someone else's toothbrush... nvm that's not awkward, it's just plain nasty xD

That awkward moment when you are going anywhere desperately looking for places to post.

That awkward moment when you realize that you sent that text message to Jenny your mother instead of Jenny your girlfriend.

That awkward moment when you realize that you have no pants on

That awkward moment when you say goodbye to a friend yet still go in the same way.

That awkward moment when you FC a Guitar Hero song but you fail the FC because you overstrummed.

That awkward moment when you make a joke and nobody laughs. 
That awkward moment when you realize that saying "awkward silence" in the library isn't supposed to be awkward. 
That awkward moment when you say something but then forgot you said that and said it again. "Déjà vu" pretty much.
That awkward moment when you look at your post and see that the first five words are the same in each line. 

that awkward moment when you make a awkward moment joke

That awkward moment when you just realized that you made a freudian slip.
That awkward moment when you realize that you are invited for two parties at the same time.
That awkward moment when you realize that missed coming in for making up a quiz.
That awkward moment when you are in the middle of giving a speech, but forget what the next line is.
That awkward moment when you post, but realize that you had posted in the wrong thread.

That awkward moment when you say 'bye' on the phone and wait for the other person to hang up but they're also waiting for you to hang up. 
That awkward moment when you realize that your previous post in this thread said 'where' instead of 'when.' (Yes, I will and did correct that).
That awkward moment when you've got an awesome conversation going on with some friends but then it goes quiet and you end up staring at each other. 
That awkward moment when you feel like you're being watched...but don't know for sure if that's true or not...
That awkward moment when you slip up while speaking and say something unintentionally and feel like crud afterwards (actually, that's most of the time embarrassing, depending on what you said.)
That awkward moment when you say something out of line in a performance.
That awkward moment when you get into a bus/school/train and see different people...which makes you realize that you got on the wrong metro bus/train/school bus.
That awkward moment where you're waiting for a school bus/metro bus/train but realize it's the weekend/holiday/day-off.

That awkward moment when you play your NES but when you reset it, it makes a "failsafe reset" because your NES exploded from madness!

Another moment:
That awkward moment when you make a big freakout over dying in a game and you punch your TV. Wait, that isn't funny at all! Yep, it isn't funny.

That awkward moment when you stumble upon Vizzed Board, and you are like: OH MY GAWD!!! THIS SITE IS DA BOMB!!!

That awkward moment when you discover that your precious princess peach is in another castle. LOL I'm sorry I had to do it, I didn't think anyone else was going to.

That awkward moment when every single post of your has to end in a tilde~

That awkward moment when you're in a chat room with someone but then someone new comes in and the two of them start talking about some topic that you don't know anything about.

That awkward moment when someone asks you "Who plays this song?" You say "LMFAO" and they ask you "What's so funny??"

That awkward moment when you leave a comment for someone only to realize that they haven't logged on for over a year.