Valentine’s Day is coming up, and bored couples all over the country know where to find acrobatic, nigh-impossible new sex positions to spice things up: Cosmopolitan. The magazine remains the time-tested authority on all the various ways two humans bodies can twist together, but the most remarkable thing about its archive of sex positions might be the names: the Dirty Dangle, the Tawdry Tube, the “Yes! Yes! Yes!” In tribute to the magazine’s gymnastic and linguistic contortions, we made this quiz. For each sex position depicted, can you pick its real name?