1. most covered with scabs or having the most scabs
Usage: superlative form of scabby
2. most contemptible, worthless, or shabby
Usage: informal; derogatory

Examples

• His knee was the scabbiest after falling off his bike multiple times.
• The old dog’s scabbiest patches were finally starting to heal.
• That was the scabbiest trick he ever pulled on his friends.
• She called it the scabbiest apartment building in the neighborhood.
• The scabbiest player on the team still managed to score the winning goal.
• After the fight, his knuckles were the scabbiest they’d ever been.