1) Another way of saying wowza when excited or amazed.
2) Can also be expressed more negatively when annoyed as a substitute for swearing.

Note: Can also be pronounced as "jolly eck"
e.g.

1. "Jolly Heck! That's one sizable rig"
2. "Why is sir giving us more work.... jolly heck bro."
by yungmcca March 16, 2020
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