The term indicates a standard video file format. If "Sexy Girl (1730).mp4" is a specific file you have encountered:
: An experimental short film on IMDb that explores the relationship between sex and power for Black women. Sexy Girl (1730) mp4
: Be cautious with files found on unofficial sites using generic "sexy" titles, as these are often used as bait for malware or phishing. The term indicates a standard video file format
: A film starring Bel Powley that explores a young girl's self-image and sexual awakening in the 1970s. Sexy Girl (1730) mp4