over·beat
| \ ˌō-vər-ˈbēt
\
overbeat;
overbeaten\ ˌō-vər-ˈbē-tᵊn
\
or overbeat;
overbeating
: to beat (something, such as eggs) excessively
The first time I made this pie, I slightly overbeat the egg whites.— Ann Fulton Do not overbeat or the dough will become tough.— Troid Brett