"Looksee" is a colloquial and outdated term that means to take a look quickly. It is often associated with the American South and was commonly used in the early to mid-20th century. Some synonyms for "hadst looksee" include "glance," "peek," "glimpse," and "sneak peek." These words convey a similar meaning but are more widely used and recognized in modern English. Other possible synonyms include "scan," "survey," and "observe." It's always helpful to have a range of synonyms at your disposal to add variety and nuance to your writing or speech.