Top definition
a beam of radiation produced from concentrated lulz, used in comedy, communications, weapons systems, printing, recording and various other internet related processes. They can produce groans when fired for an extended period of time, and are to be fired with extreme caution.
Jay the terrible comic shot lulzerbeams into the crowd to no avail.

My ex-girlfriend fired her lulzerbeams when she saw my penis for the first time.
by Viking Delacroix January 15, 2010
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