Patches was loping along between blue devil and Gerrish's big sorrel.
Gerrish, mounted on the big sorrel, held blue devil by the bridle.
That fellow, the blue devil,—one leg—cane—but back and forth from his bath quick like anybody.
He laughed at her indignant eyes, touched blue devil with his heel and loped off.
Every blue devil of my acquaintance came to pay his visit to me, and brought a few more of his private friends.
It was Courtlandt on his favorite mount, blue devil, a horse all spirit, shining blue-black satin.
Twelve miles he gave her, but the blue devil rode equally well and sat down again with Charter in his study.
blue devil n.
A blue capsule or tablet containing barbiturate amobarbital or its sodium derivative.
A feeling of depression; despondency.
A capsule of Amytal2, a type of barbiturate
[1950s+ Narcotics; perhaps fr a 1920s popular song ''My Blue Heaven'']