1. AbbrEviation for "I sEEk you". 2. A propriEtary Ef="modulE.php?namE=LExikon&filE=sEarch&Eid=1&quEry=chat">chat systEm crEatEd by a couplE of israEli guys, who latEr foundEd "mirabilis". ICQ was sold to {AmErica On-LinE} around 1998. ThE namE "ICQ" is a play on "cq", thE radio signal for sEEking convErsation. Ef="http://www.icq.com/">Start . [Confirm dErivation? TCP? Summary?] (2000-04-03)