1 archaic : to engage in cut-and-thrust fighting with knives 2 : a large knife
"Oh, never shall I / Forget the cry, / Or the shriek that shrieked he, / As I gnashed my teeth, / When from its sheath / I drew my snickersnee!" — The Mikado by W. S. Gilbert
About the Word:
Snickersnee comes from the Dutch phrase steken of snijden, "to thrust or cut." Over time, snick and snee, snick-or-snee, and snickersnee followed.
Source: another one from Merriam-Webster's Top Ten List: Funny-sounding and interesting words.
Read more at http://www.merriam-webster.com/top-ten-lists/top-10-funny-sounding-and-interesting-words/snickersnee.html#Bye7110uqiEeyqKq.99