• not be oneself

• make a pig of oneself

• have nothing to say for oneself

• beside oneself

• lose oneself in it

• be sure of oneself

• self-willed

• show oneself in one's true colours

• be full of oneself

• have only oneself to thank for it

• for himself and devil take the hindmost

• speak for itself

• make oneself at home

• keep oneself to oneself

• fancy oneself

• take it upon oneself

• get a grip on oneself

• make a fool of oneself

• make a name for oneself

• a sell-out

• kick oneself

• make oneself scarce

• lend itself to it

• sell him down the river

• keep it to oneself

• lay oneself open to it

• suit oneself

• fall over oneself

• make something of oneself

• let oneself go

• sell it short