Sod off is a phrase commonly used in British English as a mildly offensive way of telling someone to go away or leave. However, there are several synonym options available that can be used depending on the situation, tone, and audience. Some of the synonyms for sod off includes bugger off, piss off, get lost, scram, shoo, beat it, skedaddle, and vamoose. Each of these synonyms has its own unique connotation and can be used in different contexts. It's important to choose the appropriate synonym depending on the situation to avoid causing any misunderstandings or hurting someone's feelings.