muck
https://gyazo.com/beea6998ac2f03edc5e5cd16d4b72d58
source: Be like Snow. Beautiful but Cold. — Sen and the River Spirit.
noun
dirt, rubbish, or waste matter:
⦅くだけて⦆ (べとべとした)汚れ, 泥.
e.g. I'll just clean the muck off the windshield.
farmyard manure, widely used as fertilizer.
(動物の)ふん; 肥やし, 堆肥
informal something regarded as worthless, sordid, or corrupt:
⦅主に英・くだけて⦆ まずいもの; 無価値なもの, がらくた.
e.g. the muck that passes for music in the pop charts.
verb with object
1. (muck up) informal mishandle (a job or situation); spoil (something):
…をしくじる, 台なしにする(up)
e.g. she had mucked up her first few weeks at college.
2. (muck out) chiefly British remove (manure and other dirt) from a horse's stable or other animal's dwelling.
馬[牛]小屋を掃除する
3. rare spread manure on (land).
…に肥やしをやる
PHRASES
as common as muck
British informal of low social status.
make a muck of
British informal handle incompetently:
e.g. it's useless now that they've made a muck of it.
PHRASAL VERBS
muck about/muck around
British informal behave in a silly or aimless way, especially by wasting time when serious activity is expected:
e.g. he spent his summers mucking about in boats.
(muck about/around with) spoil (something) by interfering with it:
e.g. they did not want designers mucking about with their newspapers.
ORIGIN
Middle English muk, probably of Scandinavian origin: compare with Old Norse myki ‘dung’, from a Germanic base meaning ‘soft’, shared by meek.