A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
boffo (adj.)
[boffo 词源字典]
strikingly successful, by 1961, show biz slang, probably echoic of a "hit."
[boffo etymology, boffo origin, 英语词源]