(colloquial) A distracted pedestrian who is only paying attention to their phone. / A person who is addicted to their smartphone.

(colloquial) A telephone, typically a mobile phone, with a curved shape to accommodate the wearer's facial profile.

To pick up the receiver of a telephone, generally with the intention of making a phone call. / To answer an incoming telephone call.

plural of cell phone lot

A parking lot for those waiting to retrieve people from, for example, an airport; they can wait in this lot instead of circling until they spot their respective targets.

A mobile phone having a rectangular form factor, often with rounded corners.

plural of candy bar phone

Asks the interlocutor to give their phone number for subsequent communication.

Alternative form of what's your phone number?

(slang, humorous) Assertion that the recipient of a communication does not recognize the sender of the communication, implying that the sender is insignificant.