The Rice University Neologisms Database

A delay caused by a slow internet connection, usually resulting in decreased enjoyment of online activities. Interpretation of intended meaning Lag is what one experiences when playing an online game via a less-than-perfect internet connection. Presumed reason for coinage It seems obvious why the word lag was originally applied in this context. This is another of those ubiquitous online gaming words that defies a specific citation. It seems to have had its current meaning for about two years.