Physgun

The Physics Gun - commonly referred to as Physgun - is a
tool that allows you to manipulate most entities in various ways.

Targeting

By pointing towards an entity you want to target and holding
down  lmb  the Physgun will try to select it, if it is in range.

A colored beam will be emitted from the Physgun towards the target.

Abilities

Except for players, all entities can be manipulated in the following ways.

Moving

While selected, the targeted entity will move towards wherever you point.

The entity can also be moved towards / away from you by scrolling
your mouse wheel or holding the  e  key and pressing  s  or  w

Rotating

Holding down  e  allows the player to rotate a grabbed object.

By also holding down  shift  , the player can rotate the object at an
angle specified in degrees by the convar gm_snapangles (default 45).

Freezing

rmb  allows you to freeze the held object in place regardless of where it is.

Pressing  r  while aiming at a frozen prop or ragdoll allows the player to unfreeze it.
Pressing  r  twice in quick succession will unfreeze all props spawned by that player.