Touchez-là = Here’s my hand on it.
Tour
Faire ses quinze (or, trente-six) tours = To do a hundred useless things.
*À chacun son tour = Every dog has his day; Now it is my turn.
Elle est faite au tour (or, moule) = She has a splendid figure.
Il fit cela en un tour de main = He did that in a moment.
Un tour de faveur = Permission to go (or, do anything) before one’s turn.
Trac
Avoir le trac (fam.) = To be funky.