The act of pouring some or all of your drink into that of a drinking companion, especially when you are fully aware that your companion does not enjoy your particular choice of beverage.

A casual invitation / threat used by an individual that is not afraid of fucking someone up.

A drink rape is basically a fun and aggressive way to make someone drink if they are being slow.

Drink rape is accomplished in the following manner:

One person sneaks up behind the victim, putting them in the full nelson, and a second person simply forces booze down their throat by holding the cup/bottle to the victim's mouth and pouring it down.

When a freind at the bar is buying you a shot and then forces it upon you so you have to take it. Then you feel obligated to get that person a shot or drink of equal Value. BUT DONT.....