nut in Polish
nut in Polish
orzech
(food, broadly) Any of various hard-shelled seeds or hard, dry fruits from various families of plants.
nakrętka
(hardware) A piece of hardware, typically metal and typically hexagonal or square in shape, with a hole through it having internal screw threads, intended to be screwed onto a threaded bolt or other threaded shaft.
oszołom
(slang) A crazy person.
psychiczny
(slang) A crazy person.
psychol
(slang) A crazy person.
szajbus
(slang) A crazy person.
wariat
(slang) A crazy person.
świr
(slang) A crazy person.
łeb
(musical instruments, lutherie) On stringed instruments such as guitars and violins, the small piece at the peghead end of the fingerboard that holds the strings at the proper spacing and, in most cases, the proper height.