напердашвам означава в английски

lambaste [lambasted, lambasting, lambastes]▼(to give a thrashing to)
verb
[UK: læm.ˈbeɪst] [US: ˌlæm.ˈbæst]

thrash [thrashed, thrashing, thrashes]▼(to beat mercilessly)
verb
[UK: θræʃ] [US: ˈθræʃ]