The base word is "sexy," which describes someone or something that is sexually attractive or exciting.
Formal dictionaries do not index "spam" spellings or keyboard-mashing variations.
If you search a formal resource like the Oxford English Dictionary (OED) or Oxford Learner’s Dictionaries for this exact string, you will find:
The dictionary provides definitions for "attractive," "alluring," "seductive," or "provocative."
In contemporary digital culture, repetitive lettering and phonetic spelling are often used to emphasize intensity or to bypass automated content filters. Linguistic Breakdown