1 definition by Jason Klug
Something or someone that is at high risk of foolish actions or ideas being brought upon them and cannot become rid of such actions or ideas, no matter the nature of foolishness; antonym of foolproof.
The foolprone plan that Jake created to talk to Sandy suffered many setbacks, as less-than-intelligent people often interfered with his strategy of approaching her.
by Jason Klug March 1, 2006