Tach

A guage used to measure revolutions per minute (RPM) on engines. It is usually used in the automobiles.

According to the Tach, the engine is turning 7000 RPM's

Tach by bill September 27, 2004

Tach

The one nigga who is always ready to roast some. He also cooks great French toast, pancakes, and Ramen. Aka The Real Ass Eater.

That nigga Tach came over, cooked my sister some pancakes, and ate her ass

Tach by Its ya boi skinny penis September 15, 2017

tach

As a verb, to shoulder someone in the crotch. As a noun, the shouldering of someone in the crotch. Generally executed by midgets and received by NBA players.

OW!! That 6 year old just TACHED me.
He deserved a tach.

tach by Soytsauce March 28, 2007

Tach

An acronym for a tasteful amount of chest hair

Your tach requires little to no manscaping.

Tach by CTJH December 31, 2016

Tach

Singular of plural adjective for the sexiest male.
Also noun for sexiest man alive.

Tach guy is really tach.
That guy is tach.

Tach by Liam April 21, 2003

tach

itachi am i right?

you prolly do the tt trend remove your first and last letter of your name-

wait- are you a itachi simp?!

we stand itachi simp ig :D

tach by itachi_simp June 2, 2021

Tach Out 

To rev an engine out past the reading capabilities of it's tachometer. This often happens in built 4 cylinder engines that have been designed to rev past normal engine limits, sometimes past 11,000 RPMs. This problem is often resolved by putting a monster 5" tach on the dash. Installing this equipment is also common among ricers who want their car to seem fast.

Damn son!!! I dropped a new built b18 in my EG hatch and I tach out everytime I hit the gas!!! Honda power!!!

Tach Out by Da C-Rob February 13, 2010