It's at least a misdemeanor.

California Battery Laws

Under California Penal Code Section 242: battery is defined as "any willful and unlawful use of force or violence upon the person of another." It is important to note that an individual may be charged with battery even if there is no injury. A simple "unwanted or offensive touching of another" is a sufficient degree of behavior upon which a prosecutor can base a charge of battery under the law.

To obtain a conviction for battery, the prosecution must prove that the defendant "willfully" or deliberately committed the act of force or violence upon another regardless of whether the force or violence resulted in pain or injury. The slightest touch is sufficient for a battery charge if it is done in a rude, annoying, or disrespectful manner. For example, throwing an egg at someone or spitting on someone could lead to battery charges.

It's cool my example from kannlawoffice.com even includes an egg reference.

At least a misdemeanor.

California Battery Laws

Under California Penal Code Section 242: battery is defined as "any willful and unlawful use of force or violence upon the person of another." It is important to note that an individual may be charged with battery even if there is no injury. A simple "unwanted or offensive touching of another" is a sufficient degree of behavior upon which a prosecutor can base a charge of battery under the law.

To obtain a conviction for battery, the prosecution must prove that the defendant "willfully" or deliberately committed the act of force or violence upon another regardless of whether the force or violence resulted in pain or injury. The slightest touch is sufficient for a battery charge if it is done in a rude, annoying, or disrespectful manner. For example, throwing an egg at someone or spitting on someone could lead to battery charges.

It's cool my example from kannlawoffice.com even includes an egg reference.