DC's signature drink, the Rickey, is "an airconditioner in a glass" as Columbia Room's Derek Brown puts it, and fiendishly simple. While the original uses bourbon, I prefer the gin version.

In a highball with ice, add in:
The juice of a key lime (and both shells, or the juice of 1/2 of a normal lime and a dash of simple syrup or an orange syrup)
2-3 oz of gin - and, for DC's own drink, use Green Hat, DC's own gin.
fill the glass with sparkling mineral water (pellegrino works well)

Back in Austin, Trudy's has an epic drink called the Mexican Martini. Epic enough such that there's a relatively strict 2/person limit. Luckily, there are multiple Trudy's in town...

The recipe is somewhat contentious. Many have tons of orange juice and even sprite in the recipe, but I remember hearing from a trusted source that there was definitely a bit of rum in the mix. You're aiming for a strong and slightly briney margarita, shaken and served up.

Juice of 2 limes
3 oz tequila (or split with mezcal)
1 oz cointreau
1 oz rum
1 oz orange juice
dash of olive brine

DC's signature drink, the Rickey, is "an airconditioner in a glass" as Columbia Room's Derek Brown puts it, and fiendishly simple.

In a highball with ice, add in:
The juice of a key lime (and both shells, or the juice of 1/2 of a normal lime and a dash of simple syrup or an orange syrup)
2-3 oz of rye or bourbon
fill the glass with sparkling mineral water (pellegrino works well)

Enjoy.

Brazil's national cocktail.

2 oz cachaça
Juice of one lime
½ lime cut into 4 wedges (or tahiti lime, but not key lime)
2 teaspoons crystal of raw sugar

Place lime slices and sugar into old fashioned (low tumbler) glass and muddle. Fill the glass with crushed ice and add the Cachaça. Top with soda.

1 part cachaca
2 parts Sweet Tea infused Vodka (Firefly)

Muddle with 2 lime slices, 1 sprig mint, and 1 Tbsp raw cane sugar per low tumbler glass. Serve with ice. Garnish with mint.

1¼ oz vodka
3 oz ginger beer
1 tsp sugar syrup
¼ oz lime juice
1 sprig mint
1 slice lime

In a copper mug or low tumbler glass, pour vodka over ice. Add sugar syrup and lime juice. Top with ginger beer and stir.

Garnish with mint sprig and lime slice.