Lady Gaga’s off-then-on Doritos SXSWstravaganza went down last night, not at the giant parking lot vending machine stage but at the midsized amphitheater Stubb’s. Fans who attended had to prove their #Boldness by accepting a Doritos #Bold social media mission in advance of the event. During the climax of Gaga’s performance of ARTPOP anti-rape track “Swine,” she rode a mechanical pig while performance artist and “vomit painter” Millie Brown spewed neon green liquid all over her. Sure puts me in the mood for some tasty Doritos!

As Rolling Stone reports, this was intended as an anti-rape demonstration:

While Gaga lay on her back, writhing on the rotating pig, Brown straddled her and humped her. It would have been a burlesque version of overheated sexuality — except that Brown was sticking her fingers down her throat, regurgitating black goo that splattered all over Gaga. The result was memorable and genuinely unsettling: even with the apron, unwanted body fluids were all over Gaga, in her skin and her dreadlocks. For the rest of the show, Gaga would have this black sheen, marking her as a metaphorical survivor of rape and an actual survivor of performance art.

Gaga also turned on a spit, dueted with Twista, berated mobile phone users, and fellated a sausage, and audience members were exhorted to offer embarrassing confessions on social media in exchange for free chips. It was bold. Watch Gaga get puked on below.

Even if you think everything about this is patently absurd, you gotta appreciate Gaga speaking out against rape in a way that can’t be ignored.

[Photo by Kevin Mazur/Getty Images.]