What does 'Touche pas a mon frere' mean?

The statement 'Touche pas a mon frere' means Don't touch my brother. In the Word-by-Word translation, the verb 'touche' means 'put hands on, touch'. The adverb '[ne]...pas' means 'not'. The preposition 'a' means 'to'. The noun 'frere' means 'brother'.