presume on (someone or something)

presume on (someone or something)

To take advantage of someone or something in a presumptuous, unwarranted, or unwelcome manner. I always try to give my students the benefit of the doubt, but those who would presume on my leniency will find themselves facing harsh punishments. I'm your brother, Tim, I want to help you—just don't presume on me, that's all. Thank you for your offer, but I wouldn't want to presume on your hospitality.
See also: on, presume
Farlex Dictionary of Idioms.

presume (up)on someone or something

to take unwelcome advantage of someone or something. I didn't mean to seem to presume upon you. I apologize. I did not feel that you presumed on me.
See also: on, presume
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • presume on
  • meddle with
  • meddle with (someone or something)
  • muscle in on (someone or something)
  • hype something up
  • hype up
  • hyped up
  • enforcer
  • give (one) the benefit of (something)
  • give someone the benefit of