1. wallhack - Noun
2. wallhack - Verb
wallhack (plural wallhacks)
(video games) A patch enabling a player to cheat by modifying the properties of walls, as by making them transparent or nonsolid.
wallhack (third-person singular simple present wallhacks, present participle wallhacking, simple past and past participle wallhacked)
(video games) To use a wallhack.