b
he doesn't know B from a bull's foot

big
to look as big as bull beef

Bull
Touro

bull
papal bull

bull's-eye
...hit a bull's-eye / to score a

Bull-headed Shrike
Lanius bucephalus

cock-and-bull
cock-and-bull (story)

elephant
bull elephant

gore
he was gored to death by the bull

horn
to take the bull by the horns

JB
John Bull

John
John Bull

papal
papal bull

pit bull
pit bull

rag
like a red rag to a bull

ring
toque

rush
the bull rushed at them

sting
sting bull

toss
to be tossed by a bull

whale
bull whale