Green’s Dictionary of Slang

marker n.2

[it has been ‘marked down’; see Asbury, Sucker’s Progress (1938) 17: ‘An extraordinary number of the terms, technical and otherwise, which were employed by Faro players in the palmy days of the game have passed into the language [...] Marker – An article, sometimes a small piece of ivory provided by the bank, used by a player whose credit was good. He announced the value of the marker as he made his bet, and was supposed to settle after each deal’]

1. (orig. US) an IOU for a gambling debt; also used fig. for any form of debt.

[US]World (N.Y.) 15 Sept. 5/1: I am going to put a marker in for this meal.
[US]F. Francis Saddle and Mocassin 225: Before half the deal was over, the whole bank of checks was gone, and Cuff was giving markers for hundreds as hard as he could go it.
[US]F. Hutcheson Barkeep Stories 106: ‘He’s a guy dat’s owed me a case an’ a half fer drinks fer free months an’ he’s kep’ out o’ de joint ever since I stood fer de marker’.
[US]D. Runyon ‘The Snatching of Bookie Bob’ in Runyon on Broadway (1954) 127: ‘Well,’ Bookie Bob says, ‘I will take your markers.’.
[US]D. Runyon Runyon à la Carte 104: The Sky finds he has no more potatoes [...] and he wishes to give markers.
[US]R. Prather Scrambled Yeggs 73: It looks like he takes the cure a few months back; he gets in so deep Drag cuts him off. He even comes out here and wants me to take his markers, but the word’s out so we tell him Christmas is next year.
[US]J. Scarne Complete Guide to Gambling.
[US]E. Torres After Hours 21: He must be up to his asshole in markers. Probably over a hundred large.
[US]D. Woodrell Muscle for the Wing 70: It was Shuggie’s game where I got the markers.
[US]S. Frank Get Shorty [film script] chili.: We’re there, Harry. You signed markers for a hundred and a half, you’re over sixty days past due and you haven’t told anybody what the problem is.
[US]G.V. Higgins At End of Day (2001) 158: Couldn’t seem to see his way clear, pay that one-thirty-seven marker he built up.
[US](con. 1973) C. Stella Johnny Porno 16: He left markers all over the city. Bookies, mainly.

2. (US Und.) money.

[US]H. Hill A Good Fella’s Guide To N.Y. 123: Candy, markers, ammo, liners, stocking stuffer, sweetener, garnish, and pledges are all terms for cash.

In phrases

call in one’s marker (v.) (also call in a marker, ...someone’s marker)

to demand repayment of a favour.

[US]E. Torres After Hours 135: I’m not calling in any markers on you.
[US]R. Campbell In La-La Land We Trust (1999) 193: Cape called in his marker [...] He wanted me to rope young actresses into doing fuck flicks.
[US]S. Morgan Homeboy 128: Sammy, we’re callin in our markers.
[US]C. Stella Eddie’s World 85: I want to call in my marker [...] I want to walk away.
[US]Simon & Burns ‘More with Less’ Wire ser. 5 ep. 1 [TV script] If you want to call in a marker on this department, feel free.
S. Hill Tarnished Lady 325: Dunstan owes me for a favor I did him once in Frankland. An immense favor. I will call in my marker now .
put out a marker (v.)

(US Und.) to send out a call; to offer a reward.

[US]C. Stella Jimmy Bench-Press 15: He put out a marker for goons. X percent for whatever amount the goons can collect.