This is the 6703rd most frequent Spanish word.
collantes
"Collantes" means "adhering" or "sticking."
Here 'collantes' is used to describe the sticky nature of adhesives on stickers.
Las pegatinas tienen adhesivos muy collantes.
The stickers have very sticky adhesives.
In this instance, 'collantes' metaphorically refers to a complex situation becoming more entangled and difficult.
La situación se volvió más collante con la llegada de más problemas.
The situation became stickier with the arrival of more problems.
Here 'collantes' characterizes the physical stickiness of the candies.