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Grimm's Law

The first major sound change law discovered. It described the shift of stops which occured during the change from Proto-Indo-European to Proto-Germanic. It was first postulated by Friedrich von Schegel in 1806, then by Rasmus Christian Rask in 1818, and finally enunciated in its most famous form by Jakob Grimm in 1822. It is composed of three parts:

1. The shift of voiceless stops to voiceless fricatives, thus p > f, t > th, and k > x.
2. The shift of voiced stops to voiceless stops, thus b > p, d > t, and g > k.
3. The deaspiration of the aspirated stops, thus bh > b, dh > d, and gh > g.

Some exceptions to Grimm's Law exist, most notably those stated by Karl Verner in Verner's law.
Thus through Grimm's Law, PIE petro > PG fethra, PIE wodr > PG watr, ghordho > gard, etc.
by Aristophanes September 17, 2005
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Grimm reaper

Also known as the three finger Grimm or the Grimm job, is the act of inserting the index, middle and ring finger into said vagina and proceeding to finger blast. Must only be done during the month of October.
He was giving her the Grimm reaper on holloween until she screamed.
by Thebeast2 November 10, 2015
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Related Words

Grimm_Demize

The online screen name of a one "Drew Franklin", the writer of this definition.

Just a cool sounding nickname I guess.
I took the idea for "Grimm_Demize" from Byron, but now he's a perverted drug addict enslaved by an online bitch in San Antonio.
by Grimm_Demize October 28, 2003
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Grimm's Steakhouse

A small ARG that follows a serial killer and the horrific tragedies involved. Two games are said to come out that have been confirmed, Grimm's Steakhouse and Home Invasion.
Person 1: Hey you, Ever heard of Grimm's Steakhouse?
Person 2: No, what the hell is that?
Person 1: It's an expansive ARG that has yet to be solved.
Person 2: That sounds lame as fuck.
by TOMKAT_425 November 21, 2022
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Grimm Reaper

When you are eating a girls pussy from behind and she drops a gas bomb in your nose.
Did you hear about that guy from class? He was eating out his girl and she gave him a Grimm Reaper.
by Spotogal March 4, 2017
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Grimm Hollywood

An amazing up and coming twitch live streamer! He is super sexy and also 3000 years old!
Damn have you seen that absolutel beast grimm Hollywood
by Not claytomt v February 20, 2021
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MF Grimm

MF grimm was the rapping partner of well known MF Doom. Grew up in NYC selling drugs for money, became thought of as a murderer. MF grimm was paralyzed for life after being in a shooting in which his best friend died, he came out in a wheel-chair just back to the street life until he was sentenced to a prison term until 2003. MF grimm now has given up the street life and writes rhymes like a G for the world to hear and is an inspiration and a great cartoon artist nowadays.
Yo check out MF Grimms new album, American Hunger, shits dope.
by ihatemainstreamakalilwayne December 4, 2010
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