[Although this may be but a translation of the English proverb, it is of constant use in France.]
Saut
Il fait tout par sauts et par bonds = He does everything by fits and starts.
Sauter
Il s’est fait sauter la tête (or, la cervelle, more fam. le caisson) = He blew his brains out.
Faire sauter la banque = To break the bank (gambling).
*Sauve qui peut = Every one for himself; Run for your lives.
Je me sauve = I must be off.