This command will enable and disable (toggle) trijuicing. Although untested, we believe Trijuicing refers to trilinear Anisotropic filtering, meaning toggling Trijuicing off is likely to increase your game's performance.
toggletrijuicing
ToggleTrijuicing
The above example is the only way in which you can execute this command. If the setting is enabled, this will disable it. If the setting is disabled, this will enable it.