扒灰的解释 (1) [an affair between father and daughter-in-law] 公公与儿媳通奸 俗呼麀为扒灰。明 冯梦祯《快雪堂漫录书王文旦事》 (2) 又清李元复谓爬行灰上则膝污,膝与媳偕音,故扒灰即污媳之隐语 详细...