To beat severely with a whip or rod.(verb-transitive)
Informal To publicize aggressively: flogging a new book. (verb-transitive)
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 "flog" in a sentence
"I'll not fight yo, but I'll flog yo -- _flog yo_ -- d 'yo hear?'"
"And the only other thing that I'm here to flog is my book, as Anna Porter says."
"Love how you cite kos as saying the source was somewhere other than his stew of diarists, who picked something up, expanded it to something they chose to "flog" - their words, and think that's a reliable source."