When a hacker breaks into your computer and changes your sentences into mean things when you are IM-ing so that you seem like you have tourettes.
Say if you typed in "I like new haircut". The Online Tourettes hacker would type in," I HATE your UGLY haircut, its GAY!!
דוא"ל יומי חינם
אימיילים נשלחים מהכתובת email@example.com. לעולם לא נשלח לכם דואר זבל.