Women on the verge of a nervous breakthrough in comic 'Rapture'

Are the fine lines between second- and third-wave feminism really the stuff of explosive comedy? They are in Gina Gionfriddo's uproarious and unsettling "Rapture, Blister, Burn" at the Round House Theatre, especially when a 21-year-old named Avery is lobbing dry one-liners at an older generation that doesn't get casual hookups and point-and-click porn.