The Catherine Method is a TikTok trend in which users send their crush or romantic partner a series of cryptic, often spiritual-looking images in an attempt to get their attention and confuse them. The trend is inspired by influencer Catherine McBroom of the Ace Family after her ex-husband, Austin McBroom, posted a Snapchat video showing viewers a series of cryptic images that Catherine sent him, asking what they meant. The video was shared on TikTok in mid-May 2025, inspiring the trend shortly after.

Dokidi or I'm Not That Innocent refers to a song from the Kuwaiti animated series Block 13 that repeats the lyric, "dokidi, dokidi," and at one point features the devil singing, "I'm not that innocent." The song comes from the second episode of the series, which is an unofficial South Park adaptation that ran from 2000 to 2002, made for a younger audience. The song went viral on TikTok in May 2025 as the subject of a variety of memes, including memes featuring characters from Block 13.

Paypig TikTok refers to a TikTok community and trend in which users, mostly women, post videos about how to find paypigs and share their Cash App usernames with the intent of attracting paypigs who will send them money. The slang "paypig" refers to a man who has a financial domination fetish and derives pleasure out of sending someone money. The trend has been practiced on TikTok since as early as 2024 but was further popularized in May 2025.

Valeria Marquez Shot During Livestream refers to the death of 23-year-old Mexican social media influencer Valeria Marquez, who was shot and killed on May 13th, 2025, during a TikTok livestream at her Blossom beauty salon in the Santa María shopping plaza in Guadalajara, Mexico. According to reports, the shooter arrived on a motorcycle, acted as though he was delivering a gift, then shot her in the head and chest. The shooter fled the scene and remains unidentified. The video of Marquez getting shot circulated on social media shortly after the incident took place and Marquez's TikTok account was deleted. Theories and speculation about her death also spread online in mid-May 2025, with some finding it suspicious that she purportedly muted her livestream in the moments before her death. Some alleged that she had ties to gangs, suggesting she was killed by a gang member. These claims are unconfirmed.

Goommymuffin is the social media handle for the animated characters Goommy and Muffin, a "sassy ghost cat girl" and "nerdy mouse girl," respectively. Goommymuffin began posting animations featuring the characters on X / Twitter, Instagram, TikTok and YouTube in early April 2025, garnering tens of thousands of followers in less than a month. The characters quickly became the subjects of fan art and other content. In May 2025, the account's fast growth led to some accusations that the page is an industry plant.