a large mallet used to wack,hit,or bummel a man in the sack,or more commenly known as the testicles. usualy arried in a womens perse or hand bag. For defensive use only
"Dude, tom just got nailed with betty's larfnot!"

"I hope his balls are ok! He got hit pretty hard with that larfnot"
by sack the great November 23, 2009
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