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3.
An object that can be brought down upon your enemies when you want to totally flip out.
"I am so pissed that I am going to totally whup out the Bam Stick on your ass."
by Windsor March 14, 2003
 
1.
An unsavoury person

An asshole
Shut it ya mad bamstick!
by madtamski September 07, 2004
 
2.
Chiefly Scottish slang for a mad person, lunatic, or someone who displays such tendencies, often verging on being dangerous to the general public.
That Charlie Sheen is a complete bamstick.
by macstu23 March 12, 2011
 
4.
Also, exclamation to be yelled when totally flipping out on someone.
"BAMSTICK! I just WHOOPED your ass!"
by Swan May 08, 2003