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1.
The stuff left over when you are done using your weed whacker. Parallel cuttings when you cut your grass.
I just finished whacking all the weeds, but now I have to clean up all the whackings.
by jsaun1 August 30, 2009
 
2.
irish slang for fucking shagging banging etc
i was whackin' the box off her all night
by womoma April 17, 2005