Float/walk on air Definition 1 of 3Pro Tip 1/3Figurative Feeling Used metaphorically to describe happiness, not actual floating. Seeing her grandchild, she felt like she was walking on air. Pro Tip 2/3Positive Events Often follows good news or a positive event. After getting the promotion, he was floating on air. Pro Tip 3/3Informal Context Used in casual conversation, not formal situations. At the party, she was walking on air, mingling joyfully.