What is another word for doest offhand?
Pronunciation: [dˈə͡ʊst ˈɒfhand] (IPA) 
The phrase "doest offhand" implies a lack of preparation or prior knowledge. Some synonyms for this phrase include "without much thought," "unprepared," "impromptu," "unrehearsed," "spontaneous," and "casual." These words are often used to describe actions or decisions that are made without much forethought. For example, someone might make an offhand remark or offer an offhand suggestion. When used in a conversation, the phrase "doest offhand" can indicate that the speaker is not entirely sure of what they are saying, or that they are simply making an educated guess. Regardless, it suggests a lack of certainty or authority on the subject at hand.
