This is the 9858th most frequent French word.
faufiler
To sneak or slip in.
Here, 'faufiler' is used reflexively to describe physically slipping or maneuvering through a crowd.
Je me suis faufilé entre les spectateurs pour voir la scène.
I slipped between the spectators to view the stage.
In this context, 'faufiler' metaphorically describes inserting oneself subtly into a conversation.
Elle a su se faufiler dans la discussion sans que personne ne le remarque.
She managed to slip into the conversation without anyone noticing.
Here, 'faufiler' refers to the literal action in sewing, where the thread is temporarily stitched into place.