Bok-bok-bok-Bach!
No. The only song with "bok bok" in it was the ending to "Good Morning, Good Morning", in which you hear a sound loop of chickens and a rooster. But, no other songs have that. And, no Beatles actually say "bok bok".
a chicken coup bok bok
Bok choy is a vegetable; it's a type of cabbage.
Marike Bok was born in 1943.
Diederiekje Bok was born in 1970.
Curtis Bok was born in 1897.
Curtis Bok died in 1962.
Gideon Bok was born in 1966.
Henri Bok was born in 1950.
Francis Bok was born in 1979.
Hilary Bok was born in 1959.