I'd as leave do
I'd (just) as leave do something
I would rather do something. Tom: Do you want to go to Joe's party? Jane: We can if you want to, but I'd as leave not. I'd just as leave eat dinner at home tonight.
See also: leave
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.