Top Definition
1. A person who is said to have a tiny scrotum (hence the 'bag') Used both as fact and as an insult.

2. It can also refer to the scrotum itself.
'Apparently he's a smitbag', 'You're such a smitbag'

'Just cos you have a smitbag'
by JMJackson February 04, 2010
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