Any of various small, thickset rodents, especially of the genus Lemmus, inhabiting northern regions and known for periodic mass migrations that sometimes end in drowning.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "lemming" in a sentence
"The hypocrit clearly laudes his/her lemming-like following of the Republican party and in lemming-like fashion claims to be a proud member of the party of no. wow!"
"I'm not calling the lemming behavior a mental disorder."
"She has a tremendous following, the so-called lemming vote."