/swob/ [From the mnemonic for the PDP-11 `SWAp Byte' instruction, as immortalized in the `dd(1)' option `conv=swab' (see dd)] 1. vt. To solve the NUXI problem by swapping bytes in a file. 2. n. The program in V7 UNIX used to perform this action, or anything functionally equivalent to it. See also big-endian, little-endian, middle-endian, bytesexual.