Just like David Hasselhoff in Bay Watch, a 'Hasselhoffer' is a man who is clearly past their prime and who still believes that they have “got what it takes”. They act in such a way, with the ladies, that they believe that they would still be attracive to you but they would actually makes you cringe.

An older man who annoys you when you look at them on screen, and makes you feel that if they were to “come on to you” or try and chat you up, your flesh would creep.

They think that they are suave, sophisticated, charming but are actually well past their expiry date and are not cool at all!
David Hasselhoff
Pierce Brosnan
William Shatner
Tom Jones
Tom Selleck
Clint Eastwood
Burt Reynolds
Donald Trump

NOT a Hasselhoffer
Jack Nicholson
John Travolta
John Malkovich
Dustin Hoffman
Sean Connery
by Niki & Sue - B-O-A July 14, 2008
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A caramelized chiseled exterior and a full head of locks, the sexy wimper snapper who starred in the Knight Rider and took it in the butt on Bay Watch episode #11 season one
I went to the movies to watch Spongebob out of water and to my surprise one of my favorite actors was in it as a human surfboard Hasselhoff..and I do believe he may have played as a long board and he had the lifeguard look with a copper tone white smudge on his sniffer and everything
by Roobeer November 8, 2020
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To eat food like a caveman while shitfaced drunk and making a complete mess (laying on the floor is optional). Per the Youtube Video of David Hasselhoff hammered eating a burger.
After the bar last night I hasselhoff'd the shit out of $20 worth of taco bell.

I woke up on the floor of the hotey this afternoon face down in half a hamburger i hasselhoff'd after the show last night.
by JoeCaine June 13, 2009
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v. To infiltrate another person's computer when he/she has left the room and change his/her desktop wallpaper image to something of crude and/or humorous nature. Though it is not mandatory, it is preferable that the new image involve Baywatch star, David Hasselhoff.

However, the act of hasselhoffing is not limited to desktop wallpaper. Any image or picture file is subject to be hasselhoffed. The possibilities are only limited by the perpetrator's creativity.

Origins: Hasselhoffing was started in the computer animation department at Ringling College of Art and Design. It was usually done in the computer labs when someone left their station to use the restroom or when they forgot to log out of their account. However, it was banned when a student took the prank too far and replaced another student's desktop with a lewd picture.
Oh my gosh! Not only did Jim hasselhoff my desktop, but he also hasselhoffed the underwear texture on my character!
by StoryQueen August 1, 2011
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To drive at a high rate of speed.
Speeding.
Driving fast.
Gunning it.
Lead foot.
Drag Racing.
I was drag racing my Friend the other day and I pulled a hasselhoff on him, winning the race.
by Robert Michael Hensel April 12, 2008
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Verb. To quickly and sloppily eat a greasy food while drunk.

Past Tense: Hasselhoffed
I was so drunk last night that I stopped at Wendy's and hasselhoffed a 1/4 lb. Double Stack.

by Melanie434 May 28, 2007
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