Isn't "デケッデケェ" reffering to her boobs here, as abbrevation of "でかいでかい"?
More like a slur, but yeah.
Let's take her!Look!Whatever is fine. Let's give her a try♡No argument from me!Frigging gigantic, that rack!Beware
of
molestersYou see that JC just now?
JC: 女子中学生 (Joshi Chuugakusei) - Junior High School GirlIsn't she a JK?
JK: 女子高生 (Joshi Kousei) - High School Girl