M

[morning after]  {n.},  {slang}

The effects of drinking liquor or staying up late as felt the next morning; a hangover.

One of the troubles of drinking too much liquor is the morning after.

* /Mr. Smith woke up with a big headache and knew it was  […]

[Moses]

See:

[HOLY CATS] or

[HOLY MOSES].

[moss]

See: [ROLLING STONE GATHERS NO MOSS].

[most]

See:

[AT MOST],

[MAKE THE MOST OF].

[mother]

See: [TIED TO ONE'S MOTHER'S APRON STRINGS].

[motion]

See: [GO THROUGH THE MOTIONS].

[mountain]

See: [MAKE A MOUNTAIN OUT OF A MOLEHILL].

[mouse]

See: [PLAY CAT AND MOUSE WITH].

[mouth]

See:

[BORN WITH A SILVER SPOON IN ONE'S MOUTH],

[BUTTER WOULDN'T MELT IN ONE'S MOUTH],

[BY WORD OF MOUTH],

[DOWN IN THE DUMPS] or [DOWN IN THE MOUTH],

[FOAM AT THE MOUTH],

[HEART IN ONE'S MOUTH],

[KEEP ONE'S MOUTH SHUT],

[LAUGH ON THE  […]

[mouth-watering]  {adj.}

Smelling or looking very good to eat.