The context of the following conversation is Casey was with her friends and was trying to impress them, so she tossed her drink back.:
Casey says I was out with some friends last weekend and tried to impress them with how much I could drink.  I tossed back a glass of wine in record time..
The friend responds How much did you end up drinking?.
Casey responds Way too much!.
The friend responds Did you succeed in impressing them?.
Casey responds I'm not sure.  I was too drunk to tell! And I paid for it the next day.  I had a really bad hangover..