The phrase "a trashy one" is correct and usable in written English.
It can be used to describe something that is considered low quality, cheap, or lacking in taste, often in a derogatory manner.
Example: "I can't believe she chose to watch a trashy one instead of a critically acclaimed film."
Alternatives: "a lowbrow one" or "a tacky one."
She would have wiggled and squirmed and begged and pleaded but it would have been no use and finally she would have said, "All right, make me a nigger then — but that don't mean a trashy one".
A sexy woman accentuates one area; a trashy one accentuates two or more.
Twilight is a love story as is the Vampire Diaries, some are mixed with love and horror like Dracula but you could even make it a funny or (if you're older) a trashy one.
Which isn't bad for the remake of what was in itself a trashy show - one designed chiefly to cash in on the success of Star Wars.
I saw a trashy documentary at 2am one night when I couldn't sleep.
The first one, a trashy, stripped-down electro-disco collaboration between Wolfram and Princess Superstar called "Lick the Alphabet", came out late last year.
No one will stop watching "The West Wing" on Wednesday just because the same network has a trashy football show on Saturday.
"I look like a mean, trashy woman!" one participant says to her boyfriend after seeing his drawing.
Here, he turned a trashy melodrama into what almost justified one definition of the genre as "a mixture of Portuguese fada and Greek tragedy".
In the film, she's refined her stand-up and TV persona, also named Amy, into a hard-partying, occasionally clueless writer for a trashy men's magazine who delivers one-liners that communicate both a brash world view and her own crippling emotional defensiveness — "You're gonna lose us the right to vote!" she shouts to some Knicks cheerleaders who made her feel frumpy.
I had sex with one such "daddy" in a trashy hotel.
