Green’s Dictionary of Slang

peel-off n.

[peel off v.]

(UK Und.) the stealing of (a small) part of one thief or gang’s loot by a third party.

[UK]J. Gosling Ghost Squad 198: Mr Bernard was greedy [...] He let himself into the garage and indulged in a little ‘peel off’. There was no cash left so he contented himelf with taking stamps.