The phrase "did off top head" may seem confusing in terms of its spelling. However, it is actually a colloquialism which means to do something from memory without any prior preparation. The correct spelling would be "done off the top of one's head". In IPA phonetic transcription, this would be transcribed as /dʌn ɒf ðə tɒp əv wʌnz hɛd/. It's important to remember that slang and idioms may not always follow traditional spelling and grammar rules.
There is no exact dictionary definition available for the phrase "did off top head." However, based on the given context, one can infer its meaning through the combination of its individual terms.
The term "did" is a past tense form of the verb "do," which typically refers to performing an action or accomplishing a task. "Off" is commonly used as a preposition or adverb to indicate separation, departure from, or cessation of something. "Top" is often used to reference the highest part or surface of an object or to signify the utmost position or rank. Lastly, "head" denotes the uppermost part of the human body or can figuratively refer to one's mind or thoughts.
By combining these terms, one could interpret "did off top head" as an idiom or colloquial phrase that suggests performing or accomplishing something without much prior thought or extensive planning. It implies spontaneous action or a response based on immediate knowledge or instinct, possibly done without consulting external sources or referring to any predetermined method. This phrase conveys a sense of relying on one's own intuition, quick thinking, or personal expertise to carry out a task or provide an answer.