Generally speaking, children don’t learn all they should in the public school system. Not necessarily because they don’t want to but often because they are allowed to do whatever they want while in the classroom. They are allowed to slough off in class, skip homework assignments, cut classes, take unexcused absences, and generally behave in a boorish manner without being corrected or disciplined.
Meaning: discard.Each year with the dry season, he would slough off the habits of civilisation and go to war [...] He crossed burning savannahs and ...
In my experience of AE, it is usually an intransitive phrasal verb.
"Switch off" would not require any other changes to the sentence in post #1.
There are two different pronunciations for two different meanings of the word, Pickarooney.I always thought it was pronounced like 'bough' and meant to discard, like a snake's skin!
In AE there are three pronunciations. The "muddy bog" version can rhyme either with "bough" or with "through".There are two different pronunciations for two different meanings of the word, Pickarooney.
slough (pronounced sluff)= to shed skin, etc (as posters have said);
slough (to rhyme with bough) = a muddy bog, as in "The Slough of Despond" in The Pilgrim's Progress.
The famous lack of pronunciation rules in English!In AE there are three pronunciations. The "muddy bog" version can rhyme either with "bough" or with "through".