They were originally publically visible and intended to be used for disaster announcements and the like, but have been abused to the point where now they are operator only.
The only example is the word itself.
Omg! It's Oprah! WALLOP!!!!
2 Using the strength of just one hairy bicep, the Gremlin walloped the Record-Breaking Pumpkin, batting it onto its endoatmospheric trajectory across the province.
1. A timid movement with the feet performed by "the one who wallops", which might arise when in
2. Movement without destination, often caused by psychadelic intoxication.
2."I know im supposed to be getting something, but I just can't remember... I've been walloping around now for quite some time."