Margarita

1 1/2 oz tequila
1 oz triple sec
1/2 oz lime juice

Shake; strain into margarita glass (or strain over ice in a rocks glass) with optional salted rim.

Fancy cocktail

2 oz spirit
1/2 oz curacao
1 tsp syrup
2 dashes bitters

Stir; strain; cocktail glass; orange twist.

Sling

1 oz spirit

1 tsp sugar

Stir without ice, and sling.

Pink Tequila Sour

1 1/2 oz gold tequila
3/4 oz triple sec
1/2 oz lime juice
1 tsp simple syrup
1 splash orange juice
1 splash grenadine

Shake; strain; salt-rimmed cocktail glass.

Old Fashioned

2 oz spirit
1 oz syrup
1-4 dashes bitters

Stir on ice.  Optionally garnish with a citrus twist & peel and/or a marasca cherry.

For more information, see The Libation Bearers.