Peggy drinks a lot of juice, and it’s not surprising that she should
produce a two-element phrase such as “good juice.” One could argue
this was purely imitative by her merely taking cognizance of part of the
question she heard frequently, “Is that good juice?/Is that good juice?”
Less likely to fall under an imitative explanation is the phrase “black
tape” produced when she brought me my electrician’s tape. (No
mention of it had been made in the immediately preceding context.)
Least likely of all is the descriptions “Snoopy head” which Peggy applied
appropriately to a Beagle-head from her make-an-animal set of toys.
These phrases showed no pauses between them.