A hand-held weapon that was originally developed in medieval times that consisted of a five pound chain-mail bag full of metallic chunks that could be used to deliver sub-dual damage. Today, it has be redeveloped as a rubber impact weapon.
There's a spy sappin' my sentry!
by Theo Hux September 29, 2008
Noun. Insult. A person whose character has a spiritually debilitating effect on others. Typically an unhappy person who perenially moans to others but can also be someone who exhibits annoying behaviour.
Mike droans on and on about conspiracy theories - what a sap!
by Dan Fox July 04, 2003