A type of nut used to connect wires. We need a few bug nuts to complete this repair.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
n. a wire nut; a twist-on wire connector used to connect the ends of wires to complete a circuit. Charlie, hand me a couple bug nuts, will ya? Hold them together, twist, and screw on the bug nut, See?
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.