1) A person whose constant quest for any part of the spotlight or access to situations they deem special/important makes them take on the persona of a non-neutered dog.
2) The persistent act of attempting to experience achievement by the mere act of forcing one's body close to and/or upon an achiever.
3) The only act a truly lazy individual is able to exert in their quest to achieve dreams that were never theirs...but seem really cool once they hear about it.
Jill never had time to help Bobby make a success of his blog. But now that sponsorships are up and Oprah's calling, she won't go away. She's such a LEG HUMPER.
If you win the lottery, every leg humper from here to kingdom come will show up as a brand new distant cousin.
Leg Humpers are the "close talkers" in the world of interpersonal relationships. They neither see nor care about appropriate boundaries.