One who acts with purposeful malice to another. An undesirable person.
"Did you hear what the boss just said about us being lazy, what a butt heave."
When a female is nauseated and subsequently vomits because a larger than average penis has bottomed out inside of her vagina.
Noah gave Carly a case of the Heaving Lisas when that big 'ol horse dick of his was tapping her cervix..
When you throw the ball from full court and it goes in.
"Yo, I just hit a full court heave in NBA 2K21!"
"Cool!"
After that long night on the town and that late night burrito, that hiney heaving has come on strong.