1. most resembling slush; wettest and most muddy from melting snow or ice
Usage: superlative form of slushy
2. most overly sentimental or romantic in an excessive way
Usage: informal; superlative form of slushy

Examples

• The parking lot was slushiest near the entrance where most cars had driven.
• March roads are often at their slushiest during the afternoon thaw.
• That was the slushiest romantic movie I’ve ever seen.
• Her slushiest love letters made her friends roll their eyes.
• The trail became slushiest where the sun hit the snow directly.
• Critics called it the slushiest dialogue ever written for television.