2 definitions by Gene Hackman

Top Definition
Someone who is fired up and ready to rumble. They are always on the ball.
He is playing tenacious defense on him!!!!!!!!
by Gene Hackman February 02, 2006

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Someone who is intense with every thing they do. Many intensers play video games or sports. They will often break tremendous amounts of sweat while engaged in phyiscal activity.
That intenser just spiked the volleyball on that four-year old girl's face
by Gene Hackman February 02, 2006

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