playdar n.— «You develop what is called “playdar”—a bit like gaydar. Swingers can spot each other in public. A couple once picked me up in a regular bar.» —“Diary of a Swinger” by Ewan Morrison Daily...
spave
v.— «People will risk their lives to spave—spend to save—at Ikea.» —“Fraught & social—Diary” by Kate Muir Times (London, England) Dec. 1, 2001. (source: Double-Tongued Dictionary)