the.com/slew

A pile of things so large counting becomes someone else's problem.

means An informal word for a large number or amount of something — 'a slew of emails,' 'a slew of complaints.'

from Borrowed into English from Irish 'sluagh,' meaning a crowd, host, or multitude — originally used of armies or throngs of people before it loosened up to cover any big unruly pile of stuff.

origin
from Irish slua, meaning crowd or army
usage
always informal, never shows up in legal documents
sneaky twin
unrelated to slay, slay's past tense, confusingly
vagueness
could mean four things or four thousand
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