When an individual intends to say "fuck a duck" and "
shit a brick" in consecutive order, but the thoughts have become
muddled in their mind, thus resulting in a shortened word, containing elements from both expletives.
Similarly, the individual may say "
shit a duck", although this is less commonly encountered.
Jack: Did you see the fucking tits on that MILF?
Vella: Now that is some quality
boobage.
Stuart:
Fuck a brick