If you are friends with someone, and you are practicly twins, but you are not related. You have similar characteristics, appearances, and usually act the same. You are best friends.

Someone people turn to when they're sad who makes them feel better.

You and someone else are very alike. You are almost like twins, except your not related. You're usually around the same age and have similar characteristics. If you wish to use the word plural, you just say sniwt. Pronounced:new-eat, and snew-eat. Also, twin backwords.