If you're a person who is very serious about proper use of grammar, do you also like having fun with language, even when the grammar is not

If you can't have fun with grammar, try grandpar.

I'm generally serious about proper usage in my writing, not so much in my speech or in the writing or speech of others. But even in writing, I may flout the norms, but you know I'm not ignorant of the rules, since I ain't not no un-dummy. 

I wouldn't try it here.
I play with grammar privately, with experimental uses in poetry.
I like N-dashes for conversational or letter style.
I like the style used for radio scripts, where punctuation acts like musical notation to determine the length of pause between phrases.
I use the radio style to bend the rules in fiction with dialogue and sometimes to give a poetic rhythm to the cadence of the text.

I love playing with the English language, its great exercise but I never do enough tequila.  

not really