1. An adjective used to relay a general feeling of acceptance, exuberance, joy toward that thing it is describing. It is often used by adults in situations where 'sanitized' words must be used or fake expressions of positive reaction must be employed.
eg. I heard about your son made the 'A' Honor Roll', That's wonderball Sarah!
When a male ejaculates into their partners (male or female) mouth, and then the partner proceeds to gargle the semen and push it in and out of their lips.
Dude, Beckyfinally let me wonderball her last night. It was fucking awesome