Green’s Dictionary of Slang

muck n.1

[SE muck, anything filthy, dirty, esp. when part liquid]

1. [14C–mid-19C] in fig. use, money; wealth [the equation of money and dirt].

2. [mid-19C+] a general term covering anything or anyone seen as disgusting, worthless or abhorrent.

3. [late 19C+] rubbish, nonsense.

4. [late 19C+] semen; esp. in phr. spill one’s muck.

5. [1910s+] food or drink, not necessarily unpleasant.

6. [1910s+] as a euph. for shit n.

7. [1940s–50s] rudeness, insults.

In compounds

muck-bucket (n.)

[2010s] a very unattractive woman.

muck-forks (n.)

[mid–late 19C] the fingers.

muckhill (n.)

[late 17C–early 18C] a pile of money ; thus have a good muckhill at one’s doorstep, to be well-off.

muckhole (n.)

1. [1900s–30s] a filthy, unappetizing place or room.

2. [1930s–40s] the anus.

3. [1960s+] (Aus.) the vagina.

muckrag (n.)

[19C] a handkerchief.

muck savage (n.)

[1990s+] a peasant.

muck shifter (n.)

[late 19C] a navvy.

muck-shoveller (n.)

[late 19C+] (Aus.) a tin-miner.

mucksnipe (n.)

[mid-19C] a gambler (or anyone else) who has lost all their money.

muckspout (n.)

[early 19C–1910s] one who uses a good deal of obscene language or has a ‘smutty’ mentality.

muckstick (n.)

1. [1910s+] (US) a long-handled shovel; thus muck-sticker, muckstick man, a manual labourer.

2. [1960s] (N.Z.) a shotgun.

mucksuck/-sucker

see separate entries.

muck-worm (n.)

see separate entry.

In phrases

as muck (adv.)

[late 19C+] extremely, utterly; either succeeding a pej., e.g. as sick as muck, or implying one, e.g. as rich as muck.

blow one’s muck (v.)

[1990s+] of a man, to ejaculate, to reach orgasm.

chuck one’s muck (v.)

[1990s+] to ejaculate.

Lord Muck (n.) (also King Muck, Lord Muk)

[mid-19C+] a hypothetical aristocrat, snobbish and conspicuous in his contempt for lesser mortals, but since he is lord of ‘muck’ he is, in fact, no better than they are.

muck and a halfpenny afters (n.)

[late 19C–1900s] (middle-class) a pretentious, unpleasant dinner ‘spotted at the corners with custard powder preparations, and half dozens of stewed prunes, etc, etc’ (Ware).

up to muck (adj.)

[1900s] (Aus.) inclined to cause trouble.