liarse la manta a la cabeza angolul

throw caution to the wind▼verb
[UK: ˈθrəʊ ˈkɔːʃ.n̩ tuː ðə wɪnd] [US: ˈθroʊ ˈkɑːʃ.n̩ ˈtuː ðə wɪnd]