tase also taze (t?z)v. tased, tas·ing, tas·es also tazed or taz·ing or taz·es To stun or shock with a high-voltage stun gun: “The boisterous student was screaming for help and pleading not to be tased” (Nat Hentoff).[Back-formation from Taser.]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.