Balloon head course

Balloon head course: a course of study, usually required continuing education, that requires little effort.

I have a balloon head course, it will meet your requirements and you do the minimum.

Popped balloon head

A person with a head so disshaped it resembles that of a popped balloon.

“Ere Hoiker, who’s doing the see-off on that jet?”

Hoik-hoik “popped balloon heads going out in ten mins to do it and turn that fuel into freedom” hoik-hoik-nod-nod