Venganse is the plural (ustedes) imperative conjugation of venir. To get revenge is ‘vengarse’.
And the plural imperative conjugation of vengarse is ‘venguense’.
We commonly say-I will take revenge-voy a tomar venganza or we will take revenge-vamos a tomar venganza-rather than “getting” it-just another difference in regional speech. We Tejanos-and other Nortenos also have a reputation for using more profanity in everyday speech-that is true...