"I'm outta here." Outta is a contraction of "out of." It is informal. It is spoken. It is common. It is not written in formal English. It appears in dialogue, in texting, and in song lyrics. It is a word of departure. It is a word of lack. "Outta money." "Outta time." It is a small word. It is a big exit.

Outta has been in English since the 1800s. It is a natural compression. "Out of" becomes "outta." It is not a mistake. It is a feature of casual speech. It is used by everyone. It is a word that leaves. It is a word that runs out.

Related contractions

• Gonna: going to.
• Wanna: want to.
• Gotta: got to.
• Lemme: let me.

Outta is not rude. It is just fast. It fits in a conversation with friends. It fits in a text message. It does not fit in a business report. The context decides. In the right context, outta is perfect. It is a word that moves. It is a word that leaves.