1. most covered with or having the texture of slime; most slippery and wet
Usage: superlative form of slimy
2. most morally repulsive or dishonest; most untrustworthy
Usage: informal; superlative form of slimy

Examples

• The pond’s bottom was the slimiest part of the entire lake.
• After the rain, the rocks became the slimiest surface to walk on.
• The snail left the slimiest trail I had ever seen.
• That politician is the slimiest person in the entire campaign.
• He gave me the slimiest handshake and immediately asked for money.
• The used car salesman was the slimiest character on the lot.