Based on Charlotte Roche’s controversial, bestselling novel of the same name, Wetlands, the sophomore feature from German director David Wnendt (following the award-winning neo-Nazi drama Combat Girls), promises to leave a lasting impression on even the most desensitized viewers. Touted as the craziest, most outrageous film at Sundance this year, Wetlands takes an unflinching, comedic look at an unusual teenage girl’s anatomical explorations and sexual misadventures.

When her curiosity leads to a graphic shaving accident in one of her more delicate bodily areas, Helen Memel (Carla Juri, in a breakthrough performance) heads to the hospital for emergency surgery, where she reflects upon her awkward upbringing and subsequent escapades, which include vegetable experimentation, a lesbian tryst in a neighborhood bordello, and an already infamous scene involving a pizza. Though riotously funny and unabashedly obscene, Wetlands goes beyond the abundant display of flesh and fluids to reveal a surprising poignancy when Helen decides to use her hospital stay as an opportunity to reunite her estranged parents. If you prefer your coming-of-age tales to have more in common with Pink Flamingos than Anne of Green Gables, Wetlands is for you — just be sure to leave your squeamish friends at home.