We don't have synonyms for jobbyjobber yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are jobby jabber.
°A specific object or thing the true name of which may temporarily escape the speaker, typically an article presently being referred to, similar to "whatchamacallit," or "thingamabob." Usages include "Can you hand me that jobbyjobber?" or "Have you seen my jobbyjobber?" "Jobbyjobber" cannot be used as a verb; it has no verb form. It also cannot be used as an adjective or adverb.
°A specific object or thing the true name of which may temporarily escape the speaker, typically an article presently being referred to, similar to "whatchamacallit," or "thingamabob." Usages include "Can you hand me that jobbyjobber?" or "Have you seen my jobbyjobber?" "Jobbyjobber" cannot be used as a verb; it has no verb form. It also cannot be used as an adjective or adverb.