Farmers Slang & Its Analogues. 18901909, rev. 2022.
O-be-easy
TO SING O BE EASY, verb. phr. (old).See quot.
1
1823. GROSE, A Classical Dictionary of the Vulgar Tongue [EGAN], s.v. O BE JOYFUL. TO SING O BE EASY: to appear contented when one has cause to complain.