แอ๊บแบ๊ว

Etymology
. A disputed suggestion by the says the term is from:
 * 1) 🇨🇬, a clipping of 🇨🇬 + (a) แบ๊ว, a clipping of 🇨🇬, or
 * 2) 🇨🇬 + (a), or
 * 3) 🇨🇬 + (a).

Verb

 * 1)  to act or behave in a childishly or innocently cute manner.
 * 2)  to pretend to be innocent, to be not guilty, or to know nothing about a certain matter.