Our own dictionary. . .

From the mouth of Cooper:


neckaween: nectarine

yittle: little
yike: like
yater: later
yook: look
yeave: leave
basically any word beginning with l can be replaced with a y


daguar: jaguar
dackson: jackson
j's can be replaced by d's


dahge: garage
dina: gina
same goes for g's


wooby: Ruby
wun: run
w's for r's


tool: school
day-dah-deeya: quesadilla
ithe teem: ice cream


Calls our friend Mark by his whole name, sounds like: Mahk Thellmer


Uses the word "why" instead of "because." If we ask a question he will answer for example: "Why I'm a big boy!" and it's a statement, not a question. He uses this all the time and it's one of the cutest things about his speech/communication.
Why I need it. Why I'm a puppy. Why, why, why.