Definition
To wait through (something): wait (through) till the end; patiently endure.
How People Actually Use It
1)to allow a situation, person, or place 2)a conformation to withdraw from a particular activity
"christos: yo derek do you wanna cum on akua's face with me derek: nah man, i'm gonna have to wait out on that christos: kl derek: i'd rather cum on your face christos: nah man, wait out on that"
Source: Urban Dictionary