In the context of glamour modeling and internet idols like Elly Tran, the phrase "slip up" is almost exclusively used by fans and media to refer to or accidental exposures during photo shoots or public appearances.
The addition of "upd" or "update" to search strings indicates users looking for newly leaked or breaking media. In the case of legacy internet personalities, these terms are often co-opted by automated spam bots to create dummy pages that target historical search trends. Career Profile: From Gravure Icon to Award-Winning Actress