1 definition by DaveDabate

Jack-off Material
Similar to HazMat (hazardous material), jackMAT is any erotic material that one can refer to while jacking off. This material may come in the form of porno, mental imagery, or many other forms.
Just watched J-Lo on stage, that booty gave me enough JackMat for weeks
by DaveDabate May 4, 2011
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