1 definition by sillyphillygirl

Top Definition

when you get two things for the effort, price, time, or space of one

1. Hey, I can use this room as an entertainment room and a guest room--it's a twofer!

2. AP classes are twofers in that they count for high school and college.

by sillyphillygirl August 25, 2008

Buy a twofer mug!