(figuratively, informal) hands down, one-handed, standing on one's head, with one hand tied behind one's back (very easily)

to kick oneself, to live to regret it

(transitive, figuratively) to know backwards, to know inside and out, to know off pat, to have down pat

Alternative spelling of avoir les doigts de pied en éventail

(informal, figuratively) to put one's feet up, to relax

(figuratively) deft touch, nimble fingers

Alternative form of compter sur les doigts d'une main

to count on the fingers of one hand

(sex) fingering