Green’s Dictionary of Slang

shekel v.

[shekels n.]

(US campus) to give, to hand out.

[US]Eble Sl. and Sociability 77: Shekel has shifted to a verb meaning ‘give, hand out’ as in ‘Shekel me some of those Scoobie snacks’.

In phrases

shekel in (v.)

(US) to contribute money fore a group purchase.

H.B. Darrach Jr. ‘Sticktown Nocturne’ in Baltimore Sun (MD) 12 Aug. A-1/1: He and three other barnacles had ‘shekeled in’ recently to get a ‘snake ranch’ (which he explained was a room hired for a party).