('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']
(..) Give a little whistle Give a little whistle Notjust a little squeak Puckerup andblow -Andifyour whistle's weak, yell -Jiminy Cricket? Right! Take thestraight andnarrow path andifyoustart to slide Give a little whistle Give a little whistle Andalways letyour conscience beyourguide Take thestraight andnarrow path andifyoustart to slide Give a little whistle Yoo-hoo! Give a little whistle Whoo-hoo! Andalways letyour conscience beyourguide Andalways letyour conscience beyourguide Look out, Pinoke! (..)1940 Pinocchio