Overcall. Verb. To match all previous bets without raising; when a bet is required in order to maintain eligibility to win the pot, to make the minimum required bet. You need a pretty good hand to overcall. You'll often hear something like this at the poker table: "Well, if you're calling, I guess I'll fold". Someone who says this. In poker, you can call a bet. And if someone else has already called that bet, you can overcall. It turns out that even many professional players.