A Japanese slipper is a drink made from Midori, Cointreau, and lemon juice.

[1][2] The Japanese Slipper appears in literature as early as The bulletin: Issues 5617–5625 in 1988 "you might care for one of the other current favorites — a Toblerone, a Japanese Slipper, or a Mind Eraser.

... Bailey's, Grand Marnier) or a Melon Bullet (Midori, Mainstay, Cointreau, lemon juice)" Place a cherry into a cocktail glass.

Place crushed ice into cocktail shaker, add Midori, then the Cointreau and lemon juice.

Shake well and strain into the chilled cocktail glass and serve.