|1.||Pencil - Case|
The current trend in moblie phones has led to people (notably girls) sending irrelevant and useless text messages to each other. Girlfriends often pencil - case their boyfriends when a phone call would do to retain that secretive "pass a note in the classroom" element to the relationship.
AS VERB: Where's James gone? To pencil - case his girlfriend.
AS ADJECTIVE: She's a bit pencil - case