Wear your heart on your sleeve. Meaning - to make your emotions known, or to not hide how you feel. 1. I can always tell how you feel since you wear your heart on your sleeve. 2. Person 1: “Josh can’t stop smiling whenever Mary’s around.” Person 2: “He’s definitely into her. The guy wears his heart on his sleeve.” 3. I could tell you were upset when you came home, since you always wear your heart on your sleeve.” 4. I really admire how you let your emotions show like that! I wish I could wear my