collision sound in a comic strip: crossword clues

Matching Answer
Confidence
BAM
60%
EEK
60%
ARF
60%
SPLAT
60%
POW
60%
HIC
60%
OOF
60%
WAH
60%
BONK
60%
ACK
60%
e.g. Greek Cheese
e.g. O?D (Use ? for unknown letters)