Green’s Dictionary of Slang

‘a nest of whores’ (Bee); thus go to galavant v., to search for a prostitute.

1823

‘Jon Bee’ Dict. of the Turf, the Ring, the Chase, etc. 85: Galavant—a nest of whores [...] when a man goes into such a living flesh-market he is said to be ‘gone to galavant.’.