take the biscuit
To be particularly bad, objectionable, or egregious.
I've seen bad grammar, but this takes the biscuit.
ADJ
dry | soggy, stale | chocolate, ginger, etc. | digestive, shortbread, wafer | cat, dog
QUANT
box, packet, tin
My son ate a whole tin of chocolate biscuits before dinner yesterday.
VERB + BISCUIT
eat, have | nibble | bake, make
cut out
My daughter loves to cut out biscuits with her favorite star-shaped mold.
BISCUIT + NOUN
barrel, tin
crumbs
My daughter dropped a biscuit on the kitchen floor and left crumbs everywhere.
PHRASES
cheese and biscuits