The phrase "incompetent fool" refers to someone who lacks the skills or abilities needed for a particular task or job, and is regarded as foolish or foolishly behaving. Full definition
New research reveals that while we're all scared asking for advice will make us look like incompetent fools, it actually has the opposite effect. (entrepreneur.com)
the couple sells their home and pays the 5 - 6 % selling cost (or maybe just starts out by not being incredibly incompetent fools), moves about 5 - 6 blocks (no, not to Idaho), buys a home in Brooklyn that is actually only 20 % above median..... (financialsamurai.com)
FFS I am so PI ** Ed OFF and ANGRY with this CLUELESS INCOMPETENT FOOL. (justarsenal.com)