To get drunk to the point of no return. So drunk that you don't know what your doing for the next three days. Symptoms include mass amounts of time hugging toilets like your childhood teddy bear, cuddling with your same sex best friend, not knowing why you have a crazy new obsession with muttenchops, and urination to the point that everything below your waste becomes waterlogged.
Ryan: "What the hell happened, and why does it smell like cat food and ben-gay?"
(Ryan's Nana comes out from under the covers.)
Nana: "Hey gran-baby did you have fun last night?"
Ryan: "Shit nana I don't remember a thing were we cuddlin?"
Nana: "I don't know I was too plonched to remember."
tired and done working onwhatever it is you were doing. depending on the context can also mean finished in a negative aspect such as "I didn't study for the exam and now im pootched".
When one kills a joke but instead of killing it he or she will continue the joke up until the point where no one remembers the joke but only how terribly it has been killed. Disgust with the person who ponched the joke is often associated.
John: Wow I can't evenremember why we were even talking about unicorns Bill: Well I made a joke and Chris ponched it
John: Oh yeah, he seriously murdered that joke