Mayday, mayday.

SIP
Austria Uncorked
What: Sample vintages from more than 80 wineries while nibbling Austrian cheese.
Why: You’ll finally be able to pronounce grüner veltliner. Maybe.
When: Mon., 6-9 p.m.
Where: Fort Mason Officers Club, Franklin St., at Bay St. (415-441-7700). Tickets ($45) online with code AUSTRIASF and ($60) at the door.

SLAM
La Bandera at Tacolicious
What: Celebrate Cinco de Mayo with three shots that, together, make the Mexican flag: Herradura Tequila Blanco (white), sangrita (red), and lime juice (green).
Why: Does it get more patriotic than that?
When: Wed., lunch-closing.
Where: 2031 Chestnut St., at Fillmore St. (415-346-1966).

DANCE
Wave Not Wave
What: Join PYTs on the dance floor as resident DJs Phoenix, Kid Chris, and guest DJ Omar Perez spin everything from new wave to glam rock.
Why: No cover and a $5 PBR + shot combo all night.
When: Tues., 9 p.m.-2 a.m.
Where: Beauty Bar, 2299 Mission St., at 19th St. (415-285-0323).

SHOP
Dallin Chase Sale
What: Up to 70 percent off the lightweight, resort-friendly collection of tops and frocks.
Why: Spring-into-summer staples like the oversize Birsch shirtdress.
When: You’re in the mood to show some leg.
Where: Online at swirl.com.

DECORATE
SFMOMA Seventeenth Annual Artists Warehouse Sale
What: Dress your walls with artwork priced $50-$5,000 at this five-day sale supporting local artists and the museum.
Why: Get first dibs (music and bites) at the preview reception.
When: Thru Sun. Reception, Wed., 6-9 p.m.
Where: SFMOMA Artists Gallery, Fort Mason Center, bldg. a (415-441-4777).

LISTEN
Future Sounds, Noise Pop & The Owl Mag Present: the Rumble
What: Have an oh-so-indie Cinco de Mayo (for just $5) with three rock bands and DJ Bagel Ted.
Why: New tunes from beloved SF band Ferocious Few’s latest album.
When: Wed. Doors, 8:30 p.m.; show, 9:30 p.m.
Where: Cafe du Nord, 2170 Market St., at Sanchez St. (415-861-5016).

Photo: Thinkstock