When gaming online, the point in which there is evidence, beyond reasonable doubt (by the average gamer), that a Tea Bag
ing is about to occur. Whether or not you are on the receiving or giving side, you know that's goin' down.
1337 Sniper: Dammit Tony, I just got No-Scoped.
1337 BR: Yea, he's already Pre-Bagging you.
1337 Sniper: How can you tell?
1337 BR: He's running towards your body, looking down, and bouncing as he approaches...Okay, now he's Tea Bagging you.