Leg Up
Leg up means being in a situation equal to having won the previous pot, so that you must kill the next pot if you win the current one. It is a term from kill games.
The simple explanation
A leg up is a position equal to having won the previous pot. If you win the current pot, you must kill the next one.
A closer look
In kill games, winning two pots in a row triggers a kill, and a leg up means that the player is treated as if he had already won the previous pot. Rules differ by room. The aim is to raise the stakes when a player is winning.
A practical example
A player has won a pot and has a leg up. If he wins the next one, he must post the kill.
Full explanation
Leg up means being in a situation equal to having won the previous pot, so that you must kill the next pot if you win the current one. It is a term from kill games.
Leg up is being one win from a kill.
It is a term from kill games.
The winner may have to kill the next pot.
Rules differ by room.