Green’s Dictionary of Slang

daddle n.

also dandle

[late 18C–19C] (UK Und.) the hand; in pl., the fists.

In phrases

dummy daddle dodge (n.)

[late 19C] (UK Und.) a specialised form of pickpocketing on public transport, usu. by women, in which she uses a fake hand to appear clasped in her lap with a real one, while her other real hand passes through a slit in her coat to pick a neighbour’s pocket.

tip someone the daddle (v.)

[early 19C] to hit with the fist.

tip us your daddle (also tip us your dad)

[late 18C–19C] a request that someone shake hands.