Modifiers matching duck:

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

Simple categories matching slobbery:

• villain,
• duck,
• person,