Incorporation into Speech
Another confusing aspect about the expression of coprolalia involves the incorporation of coprolalia into regular speech and actions. This phenomenon is more common in children. The urge to say the word may be strong enough that it will occur within the context of speech. The tic is somewhat satisfied for the child however, it very much appears as being a voluntary addition.

Consider the F_ word as a vocal tic that is coprolalia. The child may voluntarily slip it into speech in a fluent way, satisfying the tic but being unaware of how voluntary the tic appears to be to others. For example, “That f_ing dog just f_ing barked at me”. This is very difficult for others (especially parents and teachers) to understand.

if you've ever talked to the autist you'd know this is exactly how he speaks