Here’s  one of the Nachojawn family favorites.
Chop up 3 or so habaneros  
With a 1:1 ratio of water to sugar, simmer the peppers for 15 minutes. Let cool with speppers till in the syrup for 45 minutes. Strain into a squeeze bottle. 
  squeeze limes

Make sure you use 100% agave tequila. No bullshit Cuervo Gold.

Get a decent orange liqueur.

Here’s your syrup.  
 In a shaker, go with about a 3:2:1 ratio of tequila/cointreau/lime. Then hit it with a squeeze of syrup. Shake with ice and pour.

  Drink