“You are less likely to be hit in combat if you have this Perk. You gain a +5 to your Armor Class, in addition to the AC bonus from any armor worn.”— Fallout 2 in-game description
Dodger is a perk in Fallout, Fallout 2, Fallout: The Roleplaying Game and Fallout Tactics.
Fallout, Fallout 2, Fallout Tactics
As the game description mentions, it makes the player character less likely to be hit by enemies while in combat (improves Armor Class.)
Fallout: The Roleplaying Game
At rank 1, when taking the Defend major action, reduce the difficulty of the skill test by 1.
At rank 2, the AP cost to further increase Defense is reduced to 1 AP.
The level requirement increases by 6 after rank 1.
Behind the scenes
The perk image in Fallout: The Roleplaying Game is from the Dodgy perk in Fallout 76.