It is a derogatory friend, but is interpreted as "very friendly, from the same group of close friends, buddy", because the suffix is also for augmentatives.
Derogatory of friend . Friend Augmentative . It is a qualifier that is associated as a companion of adventures. Buddy , henchman .
Crony. 1- Augmentative of friend. 2- This word is widely used in a derogatory way to refer to those friends or companions of adventures and francachelas of some characters such as politicians, public officials, etc.