grammatude 

A combination of Gramma(Grandmother) & attitude

Don't know what grammatude is?

Mess with my grandchildren & you'll find out!

grammatude by cyberpope67,BC,Canada April 19, 2015

gramature night 

when an older woman is hot enough to be a stripper, yet old enough to be someones grandmother

check out that milf, she is hot! i bet she could win the prize money on "gramature night" down at the strip club.

gramature night by jrbsvs April 26, 2008

Grimmature

When someone is acting grim and immature.

Cindy is a grimmature cunt.

Grimmature by Bon Hommley September 6, 2014

Grammadeclinitadaughtaphobia

Grammadeclinitadaughtaphobia, procounced (Grama-deck-Lynn-I-Tea-AH-Dot-AH-Phobia) is the refusal to follow through on final detail regarding written grammer, such as dotting an "I" or crossing a "T".

Teacher: " Mary, your essay was quite difficult to read....I don't understand why your letter "I" looks like the letter "L"."

Student: "I'm sorry Mr. Xman, I suffer from chronic Grammadeclinitadaughtaphobia....."

or :

Teacher: "Tlmmy? Are you here?"

student: "Actually, my name is Timmy......"

Teacher: "Oh my, Im quite sorry. I do that sometimes.....I have verbal Grammadeclinitadaoughtaphobia. "

Grammadeclinitadaughtaphobia by Professor Duck June 9, 2009

gramatude 

30 to 40 somethings who dress like 90 year-old grandmas.

"Oh mom, that shirt is so gramatude! How about this cute, metallic tunic and white slim leg capri instead?"

gramatude by Tirza June 15, 2007