Green’s Dictionary of Slang

(US) a mild degree of drunkenness.

1889

World (N.Y.) 20 Oct. 2/3: But they were under the wings of husbands and they feared nothing and entirely forgot the tears they would shed and the moans they would make if only their own husbands should have half as large a ‘spitz poodle’ of his own. She felt very smart thinking this, for she had only absorbed the fact within the last ten minutes from the talk of the multitude that a ‘spitz poodle’ was only another name for a mild state of intoxication.