I. heck¹ /hek/ interjection informal
[Date: 1800-1900; Origin: hell]

1. used to show that you are annoyed or to emphasize what you are saying:
Oh heck! I’ve lost my keys!
‘Do you believe him?’ ‘Heck, no.’

2. did he heck/will it heck etc British English used to say in a strong way that someone did not do something, something will not happen etc:
‘Did he offer to pay for it?’ ‘Did he heck.’

[TahlilGaran] Dictionary of Contemporary English ▲

II. heck² noun [singular, uncountable] spoken informal

1. used like ‘hell’ to emphasize what you are saying:
It cost a heck of a lot of money.
where/how/who etc the heck
Where the heck are we?
He sure as heck didn’t tell me.

2. what the heck used to say that you will do something even though you really should not do it:
It’s rather expensive, but what the heck.

3. for the heck of it for fun, or for no particular reason

[TahlilGaran] Dictionary of Contemporary English ▲

heck
̈ɪhek
See: raise the devil or raise heck or raise hob or raise ned

[TahlilGaran] English Idioms Dictionary ▲