Green’s Dictionary of Slang

walk n.

1. in senses of a regular ‘beat’.

(a) [mid-19C; 1970s] the area walked by a street prostitute.

(b) [1990s+] (US prison) the regular patrol route of a prison warder.

2. [1950s+] a release from a charge.

3. [1980s] (US campus) a release from a class.

In phrases

give someone a walk (v.)

[1990s+] (US) to ignore, to abandon.

go for a walk (v.) [euph.]

[1950s+] to be stolen.

take a walk (v.) (orig. US)

1. [late 19C+] to leave, to be dismissed; usu. as imper. take a walk! go away!

2. [1910s+] to escape criminal proceedings.

3. [1930s+] to run off.

take a walk up back (v.)

[1920s–30s] (US prison) to be moved from one’s cell to the execution chamber.