tirar piedras contra el propio tejado znamená v Angličtina

cut off one's nose to spite one's face▼(harm oneself as a result of trying to harm an adversary)
verb
[UK: kʌt ɒf wʌnz nəʊz tuː spaɪt wʌnz feɪs] [US: ˈkət ˈɒf wʌnz noʊz ˈtuː ˈspaɪt wʌnz ˈfeɪs]

foul one's own nest▼(to hurt one's own interests, especially to damage the reputation of one's self)
verb

shoot oneself in the foot▼(to act against one's own interest)
verb