ahorcasteis
Ahorcasteis is a Spanish verb form. Specifically, it is the second-person plural preterite indicative of the verb "ahorcar," which means "to hang" (in the sense of executing by hanging). This form is used in Spanish to describe an action of hanging that was completed in the past, and it is addressed to a group of people (you all).
The preterite tense in Spanish is used for actions that have a definite beginning and end in