Not to hijack the "overused phrases" thread, how about phrases that describe things perfectly.
A couple that come to mind have to do with people of "limited" mechanical ability:
"That boy could ruin an anvil with a rubber mallet."
"That boy could cross-thread a fire hydrant."
A couple that come to mind have to do with people of "limited" mechanical ability:
"That boy could ruin an anvil with a rubber mallet."
"That boy could cross-thread a fire hydrant."