biting on granite

Verb

bite on granite (third-person singular simple present bites on granite, present participle biting on granite, simple past bit on granite, past participle bitten on granite)

1. To waste energy on a pointless task.
   • To proselytize to devout believers of another faith is to bite on granite.
2. to face a diagonal occupied by two or more opposing pawns.
   • Chess openings in which one fianchettos one's bishop often result in said bishop biting on granite.