A syndrome in which chronic users of stumble upon (involuntarily and out of habit) click the bottom left of the task bar when accessing the internet on web browsers that do not have stumble upon installed.
The phenomenon whereby a person's mouth fails to articulate a string of words, to the point where all meaning is lost. The utterance of gibberish whilst perfectly sober. This is a stress induced condition where brain and mouth disengage during an attempt to make a witty comment.
It was the day my grunmadoma errrblummm.
Would you like to fdsjio mran fdhuhop.
You really spumbled your way through that sentence.
Would you spumble that again?