similar to "put a fire under it," "let's move/get going," or "get the lead out"...meaning to hurry. as mentioned above, it is usually used by parents, dads in particular.
"stop dawdling or you'll be late for school. nowquitlollygagging and let's get a move on!"
Boys who enjoy yaoi (a genre in Japan that contains sexual and/or romantic relations between two men); literally translates to "rotten boy"; corresponding female : fujoshi