A sleeve that is extremely wide over the upper arm and narrow from the elbow to the wrist.

(US, Canada, idiomatic) to laugh in secret or to oneself, usually gloatingly

plural of leg-of-mutton sleeve

A long sleeve that is disconnected past the stitching on top of the shoulder, but not underneath, where the armpit is. The top of the bicep is exposed.

A sleeve cut in two pieces, inner and outer, to allow it to take a slight L shape to accommodate the natural bend at the elbow without wrinkling; used in tailored garments.

plural of cold shoulder sleeve

plural of two-piece sleeve

(idiomatic) A surprise advantage of which others are not aware.

Used other than figuratively or idiomatically: see roll, up, one's, sleeves. / (idiomatic) To prepare to work.

(idiomatic) Something non-existent; something of no value or cost.