snake·bit (sn?k?b?t?) also snake·bit·ten (-b?t?n)adj. Experiencing a period of misfortune or inability to succeed.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.snakebit (?sne?k?b?t) or snakebittenadjinformal US unlucky; experiencing misfortuneCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014