In British modern comedic countryside vernacular a terrierist is a person who has many hunting animals but generally not those that belong to gunmen (i.e Labradors).

They tend so be seen riding around on the back of quadbikes, in old ford rangers and walking around fields scrutinizing rabit warren entrances and such.

The countryside scholar may wish to put these fine chappies and chapettes into four categories, category one is the falconer who flies hawks, category two is the ferreter, category four is the beater who is always at a hunt and just wacks the hedgerow with a stick and category four is the dodgy bugger (poacher).

Of course the one thing that ties them together and gives them the name, is the fact that they will nearly always own a terrier(mix).
Farmer Dave: Those rabbits are getting at my Barley again.

Farmer steve: You can call in Fred, he's a terrierist.
by xxx_mlggoprobrolololololo_xxx December 9, 2020
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1) any owner of a breed of terrier, a breeder of terriers is the head of the terrier cell.
2) a terrorist who thinks they are a lot badder than they actually are, a terrorist who's afraid to blow shit up
1) those yuppies are all terrorists!
2) you ain't really gonna commit suicide bombings like a badass doberman terrorist would, you're just a little terrierist boy, you got no terror in your balls
by Solid Mantis August 8, 2016
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