There was a time when the frozen, booze-spiked blended drink was exclusively the purview of joints on the Vegas Strip and bars at Cabo resorts.

No longer. Tacolicious has acquired a slushie machine, and the bartenders are ready to usher this spring-break special into a new era. But don't expect blue razz--the frozen creations at Tacolicious are much more inspired.

The frozen margarita ($9) is made from Pueblo Viejo tequila, fresh lime juice, agave syrup and a dash of triple sec. Served in a salt-rimmed glass, the texture like soft sorbet, it's neither too sweet nor too strong. You can also try a flight ($9), which comprises three 4-ounce pours: the classic, a spicy version amped up with a habanero-mango purée, and a third spiked with tamarind.

The Piña Colada, which elsewhere has a flavor reminiscent of suntan lotion, is transformed here. It's an icy mixture of fresh coconut water, coconut milk, pineapple juice and Barbancourt rum ($9), the glass rimmed with a mixture of coconut, sugar and salt.

The bar has also been experimenting with a frozen Cuba Libre (Mexican Coke, lime juice and Barbancourt rum), with plans to expand into Daiquiri country once summer fruit returns.

Haters are gonna hate, but that's okay--more frozen drinks for the rest of us.

2031 Chestnut St. (at Fillmore St.); 415-346-1966 or tacolicioussf.com