kiss it off—(coll.) not deal with smth.; put it off:
- Every hostage negotiation includes tense moments when one doubts the other side is operating in good faith and is tempted to kiss it off.
kiss off—is used to rudely tell a person to go away (and stop being annoying):
- That was before the time when women would have told him to kiss off in public. It wouldn’t go unchallenged these days.