Green’s Dictionary of Slang

(US campus) to offer a riposte the teasing.

1894

Star-Gaz. (Elmira, NY) 15 May 4/3: Yale College Slang [...] We horsed Jones to death [...] and gave him the loud gee when he tried to get into our jeans.

in(to) one’s trouser pockets; thus out of...

1899		A. Binstead Gal’s Gossip 17: He dragged the half-jimmy — his little ewe-lamb! — out of his jeans.
1899		E. Townshend ‘Chimmie’s Cold Strategy’ 12 Jan. [synd. col.] I dug down in my jeans.
1904		Sydney Sportsman (Surry Hills, NSW) 17 Aug. 6/2: [H]alf a dozen punches landed on his dial before he could get his hands out of his jeans.
1905		‘Hugh McHugh’ Get Next 25: There we sat, two sad boys without a baubee in the jeans.
1915		Wodehouse Psmith Journalist (1993) 342: I had to dig down into my jeans for a matter of two plunks.
1917		A. Baer Putting ’Em Over 12 June [synd. col.] That’s money out of the club’s jeans.
1927		W. Edge Main Stem 91: We went back to the Mills Hotel with three dollars each in our jeans.
1936		(con. 1920s) Dos Passos Big Money in USA (1966) 925: With twenty smackers fifteen eightfifty dwindling in the jeans.
1949		Monteleone Criminal Sl. (rev. edn).
1960, 1975		Wentworth & Flexner DAS.