On everyone’s lips
Definition 1 of 1
Pro Tip 1/3Contextual Relevance
Use when a topic is fresh and highly relevant in current events or social circles. 
After the game, the amazing goal was on everyone's lips.
Pro Tip 2/3Figurative Speech
Understand it's a metaphor meaning widespread talk, not a literal phrase about lips. 
The charity event isn't literally on everyone's lips, but the whole city is discussing it.
Pro Tip 3/3Not Universally Known
Apply the phrase to local or community-specific discussions, not global awareness. 
The local bakery's new pastry is on everyone's lips in our neighborhood.