Ma'anar ƙamus na jumlar "lanƙwasa baya" ita ce yin ƙoƙari sosai don yin wani abu, musamman don faranta wa wani rai ko cim ma wani aiki. Yawancin lokaci yana nufin wuce abin da aka saba tsammani ko ake buƙata, wani lokaci kuma ya haɗa da sadaukar da bukatun kansa ko jin daɗin mutum don taimako ko ɗaukar wasu.
