What is another word for makes off top of head?
Pronunciation: [mˌe͡ɪks ˈɒf tˈɒp ɒv hˈɛd] (IPA) 
There are a plethora of synonyms for the phrase "makes off top of head." Some viable options include "spur of the moment," "off the cuff," "unscripted," "unrehearsed," "improvised," "ad-libbed," "instinctive," "extemporaneous," and "impromptu." All of these terms suggest that the response or action is being generated quickly and without premeditation. They indicate a spontaneous and natural approach to a situation, rather than a carefully planned or thought-out strategy. All of these words can be appropriate alternatives depending on the context in which they are used and they convey the idea that the decision or answer was made quickly and without much preparation.
