Yes, throwing a drink on someone is considered assault in Texas. Assault is defined as any intentional or knowing threat of bodily injury against another person, and can be charged as either a misdemeanor or a felony depending on the circumstances. If you throw a drink on someone in a public place and they are not seriously injured, you will likely be charged with misdemeanor assault. However, if the victim suffers serious injuries from being hit with the drink, you could be facing felony assault charges.