Unskilled; lacking the degree of ability that would normally be expected. / Unable to make rational decisions; insane or otherwise cognitively impaired.

(business) The practice, usually of questionable ethicality, by some professionals, such as medical doctors and lawyers, of sending a client to a second practitioner for an additional consultation ...

plural of fatal attraction

(chiefly Southern US, colloquial) Possessive of all y'all (standing in for all your).