n pain | Pain of mind arising from misfortune, significant personal loss, misconduct of oneself or others, etc.; sorrow; sadness. (defdate|from early 14th c.)
n (countable) Cause or instance of sorrow or pain; that which afflicts or distresses; trial.
v (context|online gaming) To deliberatelyharass and annoy or cause grief to other players of a game in order to interfere with their enjoyment of it; especially, to do this as one’s primary activity in the game. (defdate|from late 20th Century)