A tubular bumper running below the doors along the side of four-wheeled vehicle, in place of a running board.

Any small foam ball, soft and very light, designed for indoor use.

A net running between a nerf bar on a vehicle and the vehicle itself, in order to prevent the driver's leg getting caught between the two.

plural of nerf bar

plural of nerf net

plural of nerf ball

(transitive, slang, video games) To cripple or weaken an element of a video game (such as a character, a weapon, or a spell) without announcing the change to the playerbase.

(slang, video games) The weakening or worsening of an element of a video game (a character, a weapon, a spell, etc.) in an update without the change being announced to the players of the game.

plural of nerfling

(dated) A small freshwater cyprinoid fish (Leuciscus idus, syn. Idus idus).