Mix over, as a salad whose walnuts have sunk to the bottom

• Flip again, as a coin
• Mix in new salad dressing, say
• Second flip
• Mix anew, as greens
• Freshen, as the salad
• Pitch a horseshoe anew
• Liven up the greens, say
• Mix anew, as a salad
• Mix again, as a salad

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Retoss \Re*toss"\, v. t. To toss back or again.