[skin off one's nose] {n. phr.}, {slang} Matter of interest, concern, […]

[skin-deep] {adj.} Only on the surface; not having any deep or […]

[skint] {adj.} Without money.

[skip] See: [HEART SKIP A BEAT].

[skip bail] See: [JUMP BAIL].

[skip it] {v. phr.}, {informal} To forget all about it. * […]

[skip out] {v.}, {informal} To leave in a hurry; especially after […]

[skirt around] {v. phr.} To avoid something. * /"Let's not skirt […]

[sky] See: [OUT OF THE BLUE] or [OUT OF A CLEAR […]

[sky is the limit] There is no upper limit to something. […]