Illuminating Object Mentioned in Derogatory Jokes

This page is the CodyCross answer for the clue below from Train Travel, Group 707, Puzzle 3 (Long Journey).

Question is: Illuminating Object Mentioned in Derogatory Jokes

and the answer is: LIGHTBULB

Word Meaning:

LIGHT BULB — An evacuated glass bulb containing a metal filament which is heated by electrical resistance to produce light.

Definitions from Wiktionary.

Illuminating Object Mentioned In Derogatory Jokes - Train Travel CodyCross Answers | CodyCross Solutions