Meaning : Lightly throw to see which side comes up.
Example :
I don't know what to do--I may as well flip a coin!.
Synonyms : flip
Meaning : Move or stir about violently.
Example :
The feverish patient thrashed around in his bed.
Synonyms : convulse, jactitate, slash, thrash, thrash about, thresh, thresh about
Meaning : Agitate.
Example :
Toss the salad.