If you have all your chips at the table or one of the players at the table
decided to raise more than what you got left to play with, you'll be forced to place all the chips you currently have.
That is called going "all-in", some times being called "tap out". You simply
place as much as you have and still playing. you will not get out of the game.
In conclusion, all-in/tap-out means that the player bets all of his remaining
money. If there is only one player left playing at the table, the remaining
cards will be dealt. Needless to say, there will be no more betting rounds.
If there are more than two players left playing at the table, there will be a
seperate pot for those players and the betting rounds will continue as usual.
Important to mention, if you win, you will get only the first pot that was
created. The one you played with before the pot got splitted and the second highest hand gets the rest.
needless to say, if you loose, winner gets it all
Hope that helps, feel free to ask more questions and welcome to pokerteam.com!