TBBDIRTYa cheap dirty cinema or theatre – used humorously 蚤窝〔指肮脏的廉价电影院或剧院，幽默用法〕
Examples from the Corpus
fleapit• He is wincing in a 1940s fleapit auditorium where they are showing a crass adaptation of one of his books.• Went to work in the Regal, some movie palace, a right fleapit.• I recall when Nancy Leadbetter and I stayed in a terrible fleapit of a room in Siena.