1. sign on - Noun
2. sign on - Verb
engage by written agreement
Source: WordNetsign-on
People sometimes think I take a white canvas and paint a black sign on it, but this is not true. I paint the white as well as the black and the white is just as important. Franz Kline
We have observed for thirty centuries that a large nose is a sign on the door of our face that says 'Herein dwells a man who is intelligent, prudent, courteous, affable, noble-minded and generous'. A small nose is a cork on the bottle of the opposite vices. Cyrano de Bergerac
It's going to be 20 feet high. It's going to have barbed wire on the top. It's going to be electrified. And there's going to be a sign on the other side saying, "It will kill you - Warning." Herman Cain
Shelley was kicked out of Oxford-I think the story is unauthenticated, but who cares-because he painted a sign on the end wall of a dead-end alley: THIS WAY TO HEAVEN. I feel that every now and then his sign needs repainting. Ursula K. Le Guin
Satirists, be careful. In the 1931 film by René Clair Vive la Liberte a song says, "Work is freedom." In 1940 the sign on the gates to Auschwitz said: "Arbeit macht frei." Stanisław Jerzy Lec
I would sign on for projects that were meant to shoot in July, and then they would postponed and they would bleed into the following semester, and then I'd take a semester off, and then the movie would collapse. Claire Danes