someone who is being a flat out meanie face cockmaster by either stealing something valuable, talking behind your back, etc... usually the person who needs to be cockslapped to teach them a lesson.
frank: that guy josh is a fuckpants
jonny: i know dude we should beat his ass
frank: thatll teach him to hit my girl
jonny: i know dude we should beat his ass
frank: thatll teach him to hit my girl
by scotty dotty October 9, 2006
Get the fuckpantsmug. by SabbathJustSabbath December 24, 2010
Get the Fuckpantsmug. When one's underwear remains entangled in their pants after both articles are hastily removed and thrown aside before sex.
by Herb Kushman May 24, 2019
Get the Fuckpantsmug.