To Have Butterflies In Your Stomach By EvilMarch 23, 2016January 13, 2022Popular Expression To Have Butterflies In Your Stomach = to feel nervous Ex: The show was about to begin, and the performer nervously walked around and said he was feeling “butterflies in his stomach.” Ex: “Having butterflies in your stomach” is a normal feeling before an important event like taking a test or giving a speech. BACK to Popular Expressions