This is an adjective used for people who are low on XP and struggle comprehending simple stuff, such as 'Drew2Wavy'. Usually an insult and shouldn't be taken lightly, personally id scrap them if they called me a chewed screwdriver.
Said of a woman who appears from her dress, make-up, etc. to be "worn" as a consequence of having had a largenumber of sexual partners.
She: Is Bob's girlfriend older than he is? She looks twice his age!!
He: She's only a couple of year's older, but she has the chewed nipple look.
She: Whaat!
He: You know: she looks like she's seen more pricks than a second-hand dart board.
She: That's harsh!
The consistency of shit where it neither has the texture of a solid nor liquid. Rather a chunky brew of odorous fecal matter resembling chewed oatmeal, hence the name. Often times the result of eating raw eggs..
I walked into the bathroom stall, and the toilet was filled with chewedoatmeal!