Jawsh?

This is an ever-growing Work In Progress, some basics on the Demoman. These tips are assuming you know nothing at all about playing Demoman.

Valve has labeled the Demoman as a Defensive Class. In all honesty, he is a multi-use, versatile class. The Demoman has the capability to deal out the most damage in the least amount of time out of all the classes in the game. The Demoman has two primary weapons basically.

GRENADE LAUNCHER:
Use it like crazy. Practice with it, it is harder to use than the sticky launcher.
Grenades come out at a slight arc, aim a little bit more upward than usual when using them, they also come out to the right of your target.
Times to use the Grenade Launcher instead of ...