1 definition by Mal Reynolds

Top Definition
Getting a semi-gentle smack on the back of your head after you do or say something stupid or make a sarcastic comment.
Named after Supervisory Special Agent Leory Jethro Gibbs from the tv show NCIS who smacks his team on the back of the head (most often DiNozzo) when they say or do something stupid, make a sarcastic comment or a joke about him. This action is referred to by his team as being 'Gibbslapped'
by Mal Reynolds August 29, 2008
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