lunk 

A word made up by Planet Fitness used to describe one who grunts, drops weights, and judges. At planet fitness there is a lunk alarm that will go off if they believe you to be a lunk.

Ryan is slamming his weights wearing a body building tank top and drinking out of a gallon water jug, what a fuckin lunk!

lunk by Jack Mann March 6, 2008

Lunk 

The root word in the more commonly known term: Lunkhead. A word used to describe someone of low intelligence and usually of a portly stature. see dullard or dolt A heavy, stupid fellow.

Can you believe that? That stupid lunk just cut me off!

Look at that lunk, he dripped ketchup all over his fat gut when he was eating his hamburger.

Lunk by Ian Callahan May 31, 2006

lunk 

To lay around in a energy-efficient (see lazy) state.

I think I am going to lunk around the house today.

lunk by unlimitedhp August 9, 2006

lunk 

Is used to describe a person or object that represents low demeanor or value. It can also be used to describe an unidentifyable object.

Goddamn that guy drives a Lunk car;
What the hell are you eating!? it looks like a Lunk or something!

lunk by james August 11, 2004

lunk 

When going up for a dunk and the ball slips out of your hands or you misjudge the jump and it ends up bouncing around sloppily before going in. Derived in 2006 in Muscatine, Iowa by combining layup and dunk.

Kobe went to throw down but couldn't finish and ended up lunking it instead. Garrett can't dunk but lunks like a champion.

lunk by MuskieNation December 24, 2014

Lunk 

N. a slobby hunk of gelataneous filth
V. to lay around lazily consuming often unhealthy and harmful processed foods, such as Twinkies, while being generally unproductive and useless

to lunk around
lunk dick
faggot lunker
lazy lunk of junk

Lunk by The Creator of All Things Good July 1, 2009

lunk 

A small piece of poo that attaches its self to the toilet paper during the wiping process preceding taking a shit

Goodness gracious me, look at the size of this lunk your grace!

lunk by lunknuts April 20, 2009