To live by oneself, as an unwed man (or "bachelor") does. The phrase can be "bach it" or simply "bach." I used to bach it, until I met and married the love of my life.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
bach (or batch) (it)
to live alone like a bachelor. I tried to bach it for a while, but I got too lonely. I didn't want to batch, but I had to.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
tv. & in. to live alone like a bachelor. I tried to bach it for a while, but I got too lonely.
See also: batch
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.