Green’s Dictionary of Slang

boomerang v.

[SE boomerang which, after one has thrown it, returns]

1. to bring unpleasant consequences.

[US]‘F. Bonnamy’ A Rope of Sand (1947) 211: They could have boomeranged had I tried to use them against him – and hurt Amy instead.
[Aus]N. Pulliam I Travelled a Lonely Land (1957) 230/2: boomerang – [...] it has come into our speech and means ‘to backfire’ or to ‘come back at’.
[US](con. 1870s) Miller & Snell Why the West was Wild 22: The ‘Indian Act’ boomeranged and thereafter the Dodge City gang seems to have abandoned this form of entertainment.
[US]J. Ellroy Blood on the Moon 235: The speed had boomeranged and had combined with his nervous tension to knock him out.

2. (US Und.) to return to prison almost immediately on finishing the last sentence.

[US]Bentley & Corbett Prison Sl. 25: Boomerang Coming back to prison immediately after being released. (Archaic: coming back for seconds).