mayonnaise

/majɔnɛz/
1.
nounfeminine

mayonnaise; a cold emulsified sauce made from oil, egg yolk and vinegar or lemon

Tu peux me passer la mayonnaise pour les frites ?

Can you pass me the mayonnaise for the fries?

2.
nounfeminine

the way things come together; team chemistry or the dynamic/atmosphere that allows a group or project to work well ('la mayonnaise prend' = things are clicking)

On a recruté plusieurs nouveaux joueurs, il faut que la mayonnaise prenne.

We signed several new players; the team chemistry needs to click.