Online gamer's bane (3)

I believe the answer is:

lag

(Other definitions for lag that I've seen before include "Wrap to protect from frost" , "Dawdle" , "Go too slow, fail to keep up" , "Fall behind; insulate" , "Old convict - dally - insulate" .)

I've seen this clue in The Wall Street Journal and the Ink Well xwords.

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