nook·ie or nook·y (no?ok??)n. Vulgar Slang Sexual intercourse.[Perhaps from nook + -ie.]American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.nooky (?n?k?) or nookienslang sexual intercourse[C20: of uncertain origin; perhaps from nook]Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014nook?y or nook?ie (?n?k i) n. Slang. sexual intercourse. [1925?30] Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.