[slap in the face] (2) {v. phr.} To insult; embarrass; make […]

[slate] See: [CLEAN SLATE].

[sleeve] See: [CARD UP ONE'S SLEEVE], [LAUGH UP ONE'S SLEEVE] or […]

[slip of the tongue] also [slip of the lip] {n. phr.} […]

[slow on the uptake] See: [SLOW ON THE DRAW].

[slow tune] See: [STANDARD TIME].

[small-time] {adj.}, {informal} Unimportant; minor; with little power or importance. * […]

[smile] See: [CRACK A SMILE].

[smoke] See: [CHAIN-SMOKE], [GO UP IN FLAMES] or [GO UP IN […]

[snail's pace] {n.} A very slow movement forward. * /Time moved […]