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schlong

American  
[shlong] / ʃlɒŋ /
Or shlong

noun

Slang: Vulgar.
  1. the penis.


schlong British  
/ ʃlɒŋ /

noun

  1. a slang word for penis

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of schlong

From Yiddish shlang literally, “serpent,” from Middle High German slange, from Old High German slango