Top Definition
A nickname given to bats or clubs that have been modified with nails, spikes, bullet-point arrowheads, etc., to amplify the damage inflicted. Named so for the thumping noise it makes when it hits a target.
That crackhead took four good whacks from Thumpy before he stopped begging for change.
by ScrapIronJaw November 06, 2010
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.