"to tread water" is an idiom, that means: To put a lot of time and effort into something, but not get much of a result, or get a better result that you might have been getting previously.
Guy 1 : "Man, all day I've been sitting here thinking, all I do is tread water lately.... "
Guy 2: " Why's that? "
Guy 1: " I don't know, maybe I haven't been pushing myself hard enough lately. Maybe I need to go back to my roots, and just grind like I used to. "
by FrAnK SiXeR August 4, 2019
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When someone has new shoes, usually said in a sarcastic manner
*someone bought new Nike airs* are they you’re new fresh treads mate?
by Gordon Ramsey December 17, 2017
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A zombie-like stance that treadmill users take when they grip the treadmill screen and walk.

This stance is typically used by people who are new to the gym or don't work out often.

Not necessary for people who don't user walkers in real life.
I went to the gym January 1st and everyone around me did the zombie tread while I ran.
by Lilbeavis January 6, 2011
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Refers to the tightness of a girl's vagina. If a girl has a loose vag, she is said to have very little (if any) tread on her tires.
Hey, how was hooking up with Sarah last night?
Let's just say there's no tread on the tires.
She was that loose?
It was like throwing a hot dog down a hallway.
Gross.
by The Girl Who Waited November 30, 2014
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Is before becoming out of control , one step from becoming a habitual line crosser
by Carabear77 March 26, 2015
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The act of placing the head of ones penis in between the butt checks of a lady as she walks on a tread mill. For the act to be classified as "Tread heading" there can be no penetration of the anus.
That ass is ripe for a Tread Heading.
by Matt Biolchini July 4, 2010
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A scrawny lollypop headed girl or woman, who hogs the treadmill at the gym, walking briskly for hours as though it would make any difference to her emaciated figure, thus preventing others using the machine.
"I had to quit gym early because there were too many tread-hogs"
by Diamond Tee April 9, 2009
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