When a person becomes so intoxicated that they excrete stool in their own pants. All though this is extremely hard to do, there have been several recorded events in which this has occured
Having your sexual overtures preemptively deterred by your partner wearing a pair of ratty old (usually flannel) pajama bottoms to bed. Not to be confused with getting pantsed, it is the opposite of peacocking. Whereas peacocking is defined as dressing for attention, just as peacocks use their feathers to attract a mate, PJ pantsing is a conscious effort to dress down, thereby sending a clear signal to your prospective mate that there will be no nookie tonight.
I thought she was in the mood after a couple glasses of wine, but when we got to the bedroom she PJ pantsed me, rendering me flacid in no time.
To have one's Quality Score reduced to the point that an Adwords campaign is no longer profitable. In reference to a infamous episode of a drunken Google Adwords Software Engineer who shows little social restraint.
someone of age (18) who likes to completely ruin their life for a girl much younger than the age of 18 by having sexual intercourse and sleeping in malls. also can be used when seeing a tight-pantsed pedo taking disgustingly sexual myspace pictures with his underage victim.
"dude that guy is a tight-pantsed pedo, she totally was underage"