Modifiers matching duck:

• domestic,
• tenacious,
• jealous,
• indigenous,
• zany,
• larger,
• optimistic,
• native,
• insecure,
• determined,
• common,
• breeding,
• boastful,
• daffy,
• unusual,
• rare,
• aggressive,
• small,
• marine,
• here,
• smaller,
• lisping,
• large,
• wild,
• paranoid,
• bullying,
• slobbery,
• brash,
• short-tempered,
• pushy,

Simple categories matching slobbery:

• duck,
• villain,
• person,