This is the 8120th most frequent French word.
truffer
"Truffer" means to stuff or fill with small items, often figuratively, such as embellishments or references.
This usage of 'truffer' indicates packing or filling a space with items (in this case, roses).
Nous avons truffé le jardin des meilleurs plants de roses.
We filled the garden with the best rose plants.
In this sentence, 'truffer' is used metaphorically, meaning to enhance or intersperse something.
Il est important de truffer les informations avec des faits intéressants.
It is important to pepper the information with interesting facts.
Here, 'truffer' signifies adding numerous relevant examples into a speech or discussion.