word type: poker slang

  1. A bet that is larger than the size of the pot.

Why Overbet?

This is a question best asked of Prahlad Friedman aka Spirit Rock, who made the overbet fashionable by balancing his range well enough to make it a very +EV play.

Smoke and Mirror Poker

A simple example of an overbet is when a player wants his hand to appear like bluffs or spazz-out when a player is actually holding the nuts or a good hand trying to get paid off.