What is "bousing"

Usage examples of "bousing".

A green light began to strobe inboard of the raised encabulator bousing, then blurred.

For what use to Trollheim was a cripple like Grum, unfit for battle, for anything save gobbling and bousing and sleeping with women that might have gone to better men?

You’ve been too much sulking when you weren’t off bousing, old fellow.