"Loose crumbs" refers to small, broken pieces or fragments of something, often used to describe food like biscuits or cookies that have been broken into little bits.
Full definition
Add the room temperature butter and mix together with forks or a pastry cutter until dough
forms loose crumbs.
Bake for 20 — 25 minutes, or until golden brown on top and a skewer inserted in the middle of the cake comes out with just a
few loose crumbs.
Assemble: Remove torte from refrigerator and brush
any loose crumbs from the cake.
The crumb coat will hold in all of
the loose crumbs that could have easily caused you to have fits!
Brush away
any loose crumbs then, using a small palette knife, spread the rest of the filling all around the sides of the cake, and use the palette knife to make a vertical pattern, sliding the knife upwards from the base.
Transfer
the loose crumbs into a large mixing bowl.
Pour the mixture onto your bench top and knead it just once or twice to gather
the loose crumbs.
First, brush
any loose crumbs from the cake.
The dough will be more difficult to handle, and the end result will have
a looser crumb and won't be as crispy outside.
Compare
the loose crumb you see here to Better Batter's crumb from the other day.