Grammatically Challenged 

A vast majority of the posters on Urban Dictionary.

i dropped out of school when i was four because that bitch teacher was keeping me down, just like the man. STICK IT TO THE MAN! NOW I ARE RACISTSEXIST! ^^ (Grammatically Challenged)

Grammatically Challenged by Moikii September 11, 2007

Grammatically Challenged 

Someone who cannot use grammar.

Tara Gilebsie-Author of My Immortal Harry Potter Fanfiction, who is Grammatically challenged

Grammatically Challenged by Ginganinja April 27, 2012

Grammatically Challenged 

grammatically challenged is sumting mean ppl tel u wen they wanna seem smrt. :(

big meanie (copypasted)- What the fuck is "rofflecopter"? You some kind of grammatically challenged twat?

Grammatically Challenged (me?) - wut?

Grammatically Challenged by |< /\ -|- December 10, 2007

Grammatically Challanged 

Someone who uses terrible punctuation and couldn't spell if their life depended on it. You are either grammatically challanged by nature, or you have been exposed to txt talkers too long.

my inglish teecher sez dat im inprooving

(My English teacher says that I'm improving.)

Grammatically Challanged by Arran October 23, 2004