Thicko Bicko

An annoyingly dumb person.

She is such a thicko bicko.

Thicko mode

When someone is much more thick in specific situation or environment.

“Wow, lil J in thicko mode today!”

Pretty thicko

pretty face thick brain

Oi hey Matilda has a pretty face but a thick brain

Ohh do you mean she’s a pretty thicko