Despite its bad reputation, some argue noclip has valid applications:

In gaming terminology, "NoClip" is a mode that turns off collision detection. In the context of Geometry Dash :

"Geometry Dash NoClip" allows players to turn off collision, letting them pass through hazards. While it is essential for enjoying "Auto/Cinematic" story levels and helpful for creators testing levels, it is considered cheating if used to gain achievements or complete difficult levels illegitimately.