1. To give someone an abortion using a plunger; to push at plunger-like object into a woman's vagina (whether or not she is actually pregnant) woman who are considered easy or slutty are usually the targets of plunging
2. To remove a fat deuce from a toilet using a plunger
"FOR FUTURE GENERATIONS! This is for your child! I shall plunge thee!"
"Dude when you accidentally got Mackenzie in the crotch with your crutch, you totally plunged her."
"She just couldn't cut it as a mother at 16 so she had to be plunged."
"I just dropped the biggest log I've ever seen. I was in the bathroom plunging for hours."