This command sets the weight of your current target (NPC or player) to the specified value. The NPC's model will be updated to correspond with the weight change. Use 'player.setnpcweight' to change your own character's weight.
setnpcweight [weight] Target Command
|Weight||A number between 0 and 100 - the weight of the character. Higher numbers are heavier.|
The above command would make your target NPC look as heavy as is possible.
This console command does the same as the first example - SNPCW is an alias ofthe SetNPCWeight command.
The above command would make your character look the lightest weight possible.