Facoctagon

Facacta.
Octagon.
Facoctagon.

A shape that's supposed to have eight sides but doesn't.

Also it's Jewish.

Meshugge.
Geometry.
Meshuggeometry.

Huskywriting

Husky.
Skywriting.
Huskywriting.

When planes write letters that are too fat, they end up as clouds.

e.g. "What does that cloud look like to you?"
"Illegible."

Triankle

Triangle
Ankle.
Triankle.

A triangular ankle.

Sometimes they write themselves.
(And sometimes your girlfriend writes them for you.)