This is the 6547th most frequent Catalan word.
pulgosa
"Flea-infested" or "full of fleas."
Describes a dog that has fleas.
La gossa és molt pulgosa i necessita un bany.
The dog is very flea-ridden and needs a bath.
Used to describe an object that could have fleas.
Aquest coixí és pulgós; no l'utilitzis més.
This cushion is flea-ridden; don't use it anymore.
Here it is metaphorical, describing unreliable or unserious ideas.