A form of terrorism in which a person steals presents from beneath their neighbor's Christmas tree in order to strike fear and death into the hearts of us Capitlists by restricting our material possessons.
American: "No, don't go grinching, I'll die without that 5,000 dollar TV"
The act of stealing packages from peoples' homes (i.e. porch piracy) during the holiday season. People often partake in grinching to avoid spending their own money on costly Christmas gifts.
A: Hey man, what presents did you buy for your family this year?
B: I didn't buy shit. I'm going grinching around the neighborhood this week.
Having a large, surprising erection from a penis of below-average size.
The term is derived from the climax of Dr. Seuss’s How The Grinch Stole Christmas: “And what happened, then? Well, in Whoville they say — that the Grinch’s small heart grew three sizes that day.”
“That ho was so fine, I was grinching before we even got back to her dorm!” Xander exclaimed, “it was about time to I laid the rumors of my small dong to rest.”