something given without charge or cost, as a ticket to a performance or sports event or a free sample at a store: Freebies can be very useful in promoting your brand or business.
Origin of freebie
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
something provided without charge
without charge; free
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
also freeby, 1942 (adj.); 1946 (n.); perhaps as early as 1900; formed "arbitrarily" [OED] from free (adj.).
Online Etymology Dictionary, © 2010 Douglas Harper