Fall down and Gum up

Fall down verb - Lose an upright position suddenly.

Gum up and fall down are semantically related in blunder topic. In some cases you can use "Gum up" instead a verb "Fall down", when it comes to topics like botch.

Gum up verb - To prevent passage through by filling with something.

Fall down and gum up are semantically related in botch topic. Sometimes you can use "Fall down" instead a verb "Gum up".