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1.
The feeling you feel when you feel you're going to feel a feeling you've never felt before.
I can't wait... for my tax refund, for this day to end, until they get here. The anticipation is killing me!
by Don Howard August 05, 2006
 
2.
The anticipation phase starts the moment after taking a pill and lasts for 20 minutes to an hour, whilst you're waiting for it to kick in. This can be an exciting phase as you know something magical is coming at any moment but you don't know exactly when. There may be glimpses of it but this may also be the mind playing tricks before it really starts. For the more seasoned pill taker this moment may actually be 1 of frustration as they want to be there immediately.
Guy 1 "You there yet?"
Guy 2 "Nah still in the anticipation stage."
by GF August 20, 2007