Machoistically

He knew how to lead songs: just sing the first line, then smile and machoistically heave your arm.

so that our librarians at their annual rendezvous can no longer proudly and machoistically proclaim mine is bigger than yours?

Yurtle the Turtle placed the citizens of his world one on top of the other in order to see more and more and more, and therefore take more and more and more, and therefore feel more and more and more machoistically important.