A murder of crows. Make up your own collective noun.

A trump of red herrings

A deafness of herrings.

A zip of cheetahs.

A turn of screws.

A taming of shrews.

From Westworld:

A rampage of hosts.
A helplessness of guests.
A fodder of QA men.

My favorite – though not original – is a wunch of bankers.

A flickering of fireflies.

An asscrack of plumbers

A startle of surprises

An homage of parodies

A burden of cares

A cacophony of herring.
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A garbanzo of beans.

A Grope of pervs.

A banana peel of slipperiness.

A bling of rappers.

Edit: n/m - bad taste.

A gossip of grandmas.

A hustle of coaches.

A corral of westerns.

A slash of horror flicks.

A starfleet of scifi movies.

A riot of comedies.

A plural of penises