Probably the easiest version for a casual game of strip poker. Each player is dealt five cards and gets to exchange one or more of those cards.
Strip poker has been a staple of dorm-room parties and video game consoles since, well, since dorm rooms and video games were invented. How did they play strip poker back then? Texas Hold'em or 5-Card Draw are Best for Strip Poker.
While the rules of strip poker can obviously be a lot 'looser' (see what we did there?) than a standard game of poker, it still helps to set some easy-to-follow.