a 'pencil sharpener' [=a device used to make the tip of a pencil sharp so that it can be used for writing]
a 'pencil case' [=a small box for holding pencils and other small items, such as erasers]
Would you like me to 'pencil' you 'in' [=to schedule you] for Thursday morning at 11?
(..) Cos some damn fool accused you of being the best. Dillon. You son of a bitch. What's the matter? The CIA got you pushing too many pencils? - Had enough? - Make it easy on yourself, Dutch. - Never did know when to quit. - Damn good to see you, Dutch. - What is this fucking tie business? (..)1987 Predator