The phrase "made up off top of head" is a common expression used to describe things that are improvised or done without any preparation. The correct spelling of the phrase is actually "made up off the top of one's head". In IPA phonetic transcription, this phrase would be spelled as /meɪd ʌp ɒf ðə tɒp əv wʌnz hɛd/, where the stress is on the first and third syllables of "made up" and "the top of one's head", respectively.
"Made up off top of head" is a phrase used to describe something that is completely improvised or created without any prior thought or preparation. When someone makes up something off the top of their head, they are generating information or ideas spontaneously without relying on any existing knowledge or research.
This phrase often applies to situations where a person is asked a question or required to produce a response or explanation on the spot. Rather than taking the time to consider the topic or consult available resources, the individual provides an impromptu answer or solution. Consequently, the information provided in such circumstances may be unreliable, inaccurate, or lacking in depth, as it is based solely on the person's immediate thoughts or general knowledge.
The term "made up off top of head" can also be used to refer to creative endeavors where individuals produce artistic expressions, stories, or compositions without any preconceived plans or structures. In this context, the phrase implies a spontaneous, spur-of-the-moment creation without deliberate forethought or intentional design.
In summary, "made up off top of head" is an idiom used to describe something that is improvised, created without prior consideration, or generated spontaneously. It suggests that the information or creation may not be well-researched, accurate, or thoroughly thought-out due to its spontaneous nature.