The phrase under consideration appears to function as a meme or a slogan, potentially used within online communities or social media. Analyzing the component parts, “cats” and “ducks” are nouns, referring to specific animals. “For” is a preposition indicating support or endorsement. “Trump” is a proper noun, referring to a specific individual, presumably Donald Trump. Taken together, the phrase seems to suggest an association, humorous or otherwise, between these animals and support for this individual.
The importance of such a phrase lies within its potential to mobilize or signal affiliation within certain groups. It may act as a shorthand identifier, allowing individuals to quickly express their political leanings or sense of humor. Historically, associating unexpected elements (animals, objects) with political figures has been a common tactic to create either comedic effect or to subtly convey approval or disapproval. Such phrases are often spread rapidly through online networks, becoming cultural touchstones within specific online communities.