a gift of public land or resources for the private gain of a limited group
"The controversial bill was criticized as a massive giveaway that transferred millions in coastal fishing rights to just three local corporations."
an unintentional disclosure
"The detective noticed a suspicious giveaway when the suspect suddenly started sweating before the interrogation even began."
Something that is given away or handed out for free.
"We were thrilled to receive a small sample pack of new coffee beans as a giveaway at the store."