('chiefly Brit') Her career has been 'on the slide' [='on the decline'] for a couple of years.
You were late this morning. I'll 'let it slide' this time, but don't let it happen again.
His parents are concerned that their son's grades have started to 'slide'. [='worsen']
(..) You're not hopeless. Mr. Harris? A fax for you. Yes. Okay. Can you send it up? Do you think you can kick it under the door, slide it under the door, please? Do you want I send it to your room? Just slide it under the door, please. Thank you. Okay. All right, bye. Thank you, Mr. Harris. I would. (..)2003 Lost in Translation