Although the word seems funny, it means to scratch your head in order to help you remember something you’ve forgotten. This picture shows how President Bush has forgotten something and trying to remember it. 
This assignment comes from Make The Untranslatable Understood, which is show use a picture to explain a word that is not found in dictionaries.
Sukhpreet 
Love it ahaha!
George W. Bush gives he a headache!!!!!!! Haha! I love how you chose this picture to explain your word. Good one!
lol….Bush. Yep Great choice of president! Was this a random choice or you wanted to choose him?
No, When I Google in the idea, his picture came up…lol