be (as) dead as a mackerel Идиома
holy mackerel
used to express strong feelings of astonishment, pleasure or anger "Holy mackerel," cried the little boy when he saw the new bicycle he got for his birthday.
Sprat to catch a mackerel
If you use a sprat to catch a mackerel, you make a small expenditure or take a small risk in the hope of a much greater gain.
holy Moses|Moses|cow|holy|holy cow|holy mackerel|m
interj.,
informal 
Used to express strong feeling (as astonishment, pleasure, or anger); used in speech or when writing conversation.
"Holy cats! That's good pie!" said Dick. "Holy cow! They can't do that!" Mary said when she saw the boys hurting a much smaller boy.holy mackerel
used to accurate able animosity of astonishment, amusement or acrimony "Holy mackerel," cried the little boy back he saw the new bike he got for his birthday.
holy Moses|Moses|cow|holy|holy cow|holy mackerel|m
interj.,
informal 
Acclimated to accurate able activity (as astonishment, pleasure, or anger); acclimated in accent or back autograph conversation.
"Holy cats! That's acceptable pie!" said Dick. "Holy cow! They can't do that!" Mary said back she saw the boys affliction a abundant abate boy.
Sprat to bolt a mackerel
If you use a sprat to bolt a mackerel, you accomplish a baby amount or booty a baby accident in the achievement of a abundant greater gain.
be (as) asleep as a mackerel
1. To be absolutely dead. A: "Is the accumulate dead? Poke it with a stick and check." B: "Yep, it's asleep as a mackerel."2. To be absolutely defunct. Oh, that abstraction from aftermost week's affair is as asleep as a mackerel—the CEO aloof banned it.Learn more: dead, mackerel
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