chod is a hindi/urdu slang word for 'fuck'. Mostly used as a ver b though can be used as a noun. Is the most common word for fuck used in the Indian Subcontinent(mostly India, Pakistan and Bangladesh).
'Maine ek randee ko chod diya' - I fucked a prostitute.(used as verb)
'Kya chod macha rakhee hai?'- What the fuck are you doing?(used as a noun)
'Main to chud gaya' - I got fucked. Used when one has committed some blunder.
Frequently used in maderchod(mother fucker), behanchod(sister fucker), betichod(daughter fucker), chhorichod(girl fucker), kudichod(girlfucker)