She takes the drink and downs it.

Ginny grabbed the now empty cup from my hand and refilled it, “C’mon girl, you're just getting started!” A fresh cup of beer in my hand, I shrugged and downed the cup, drinking it all in one long go. The shortest girl on the team, Trista, clearly drunk already, watched intently as I downed a third cup, then licked her lips. “You can do that in one gulp, huh?” she said as she began to pull down her pants, pulling one of the larger cocks I had seen out of her panties. “Think you can swallow this beast, too?” She began to stroke the half-erect monster, which caused it to swell, topping out at just over a foot long.