bog in
Advanced (C1)informal
To start doing something — especially eating or a job — with lots of energy.
"The barbecue was finally ready, and everyone bogged in without waiting to be asked."
Hear it in context

I should not have bought that Ambulance.
Garbage Time · 0:56
That's bog in the floor.

British Words I Use Now That Confuse Americans
Evan Edinger · 7:14
Bog in particular is also British slang for toilet.

There’s no way we caught this happening on our Land… 🤮
Life of Tom · 17:02
BUT, IN THE BOG IN THE BOG, GOOD BASH.

The 1,000-Year Secret Behind the Viking Longship
Kings and Generals · 0:28
preserved in a bog in Denmark and dated to around 350 BC,