[bomdo]

Don't be so sure of that. If your PIN just happens to start with 00, it is fairly trivial to jury-rig a common 4-digit hacking device to crack your 6-digit PIN.

[sgjohnson]

jerry-rig*

[pliny]

https://en.wiktionary.org/wiki/jury-rig

[O__________O]

eggcorn, acorn, all the same, just a different name:

https://en.m.wiktionary.org/wiki/eggcorn