Do you think I should get oral sex from another woman because my girlfriend doesn't want to give me oral sex?Can that really be considered cheating because its not exactly sex and She's my girlfriend and won't take care of the deed herself?I gave her oral

It's sex. It' cheating. No two ways about it.

The fact that you gave her oral is immaterial.

The best thing you can do is ask your girlfriend for permission to get head from another girl. If you have her permission, everything is fine.

You might want to consider finding yourself another girlfriend. This one is clearly not meeting your needs. Otherwise, you just have to accept her as she is, and live without oral sex, or ask her permission to get it elsewhere.