1 definition by BigJohnnyBravo

Noun - A terrifying deformed creature with the screaming abilities of it's Pterodactyl ancestors.

Verb: Derv, Derving, Derved - To derv something is to royally fuck it up.
You really derved it this time pal.

Ash: Oh shit, I just crashed my dad's volvo.
Alex: Yep, you proper derved it.
by BigJohnnyBravo October 9, 2018
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