bach also batch 
(băch)Informal
(băch)Informal n.
A bachelor.
intr.v. bached, bach·ing, bach·es also batched or batch·ing or batch·es
Idiom: 1. To live as a bachelor.
2. To live in the manner of a bachelor, as when one's spouse or partner is away.
bach it
To bach.
[Short for BACHELOR.]