The word "batser" does not exist in the English language. However, a possible synonym for this word could be "batter", which means to hit or strike repeatedly. Other synonyms could include "pound", "hammer", "beat", "thump" or "knock". Alternatively, if the intended word is "baser", meaning someone who is morally or socially inferior, possible synonyms could include "lowly", "inferior", "menial", "subordinate", "servile", or "meek." It is important to use accurate and appropriate words in any form of communication to convey the intended meaning effectively.