Salt·y /sôltē/ tasting of, containing, or preserved with salt.

The reason you got headshot, obviously Aim Botting.

Shot through smoke/wall? must've been ESP/Walls.

(Salty) is a term meaning “Upset” or “Bitter”, used as a common online insult, being especially popular in PvP and Fighting Game communities, where it’s used to mock players for their frustration. The term is generally used in a similar manner to U MAD?

(Aimbot) sometimes called "auto-aim" is a type of computer game bot used in multiplayer first-person shooter games to provide varying levels of target acquisition assistance to the player. While most common in first person shooter games, they exist in other game types and are sometimes used colloquially with a TriggerBot, which shoots automatically when an opponent appears within the field-of-view or aiming reticule of the player.

(Wallhack) allows a player to see through solid or opaque objects and/or manipulate or remove textures, to know in advance when an opponent is about to come into targeting range from an occluded area. This can be done by making wall textures transparent, or modifying the game maps to insert polygonal holes into otherwise solid walls.

(ESP) in video games displays contextual information such as the health, name, equipment, position and/or orientation of other participants as navigation/directional markers

Many cheats are implemented by modifying game software, despite EULAs which forbid modification. While game software distributed in binary-only versions makes it harder to modify code, reverse engineering is possible. Also game data files can be edited separately from the main program and thereby circumvent protections implemented in software.