lemonpartyのようなどんな単語でも探してください。
 
1.
(verb) The act of vigorously passing a particularly stubborn bowel movement. Usually involves grunting and the straining of one's sphincter. See also: Constipation
I hate when I'm in the bathroom at work and someone is grumpin' out a gnarly deuce. Gross...
SneakyMeによって 2011年08月26日(金)
 
2.
(verb) The act of vigorously passing a particularly stubborn bowel movement. Usually involves grunting and the straining of one's sphincter. See also: Constipation
I hate when I'm in the bathroom at work and someone is grumpin' out a gnarly deuce. Gross...
SneakyMeによって 2011年08月31日(水)
 
3.
grumpin is the slang term for actively making yourself grumpy(to the extreme)
grumpin comes about while talking to Asians about big trucks, and fast cars (besides Toyota MR-2's)
Bryan Harvingによって 2007年10月18日(木)
 
4.
A person in the act of or a participant of farting in bath tub. pool or body of water and catching tainted bubbles in mouth.
A person sets in bath tub lets one loose and bends down to catch fart bubbles in mouth. - Grumpin -
KSWingNutによって 2011年01月15日(土)