steam up (something)

to become covered with a thin layer of small water drops.

Going into the warm room steamed my glasses up.

They were sitting in the back seat of the car and the windows were all steamed up.

• the low man on the totem pole
• the luck of the draw
• the lull before the storm
• the main drag
• them and us
• the man in the street
• the man of dreams
• the man of the moment
• the man of your dreams
• the man on the Clapham omnibus
• the man on the street
• the matter in hand
• the meat and potatoes
• the men in grey suits
• the men in white coats
• the Midas touch
• the middle ground
• the milk of human kindness
• the mind boggles
• the mind boggles.
• the minute
• the minute back is turned
• the minute someone's back is turned
• the minute that
• the missionary position