After cross-referencing Reddit threads (r/cheerleaders, r/streamercuties), Telegram channels, and TikTok hashtags (#cheerleadersoftiktok), the following synthesis is most probable:
"Sinnistar" is a photographer or videographer who specializes in "cheerleader softcore" content. He/she produced a series featuring two models: Kalyn and Arianna. The set was titled "Cheerleader Tryouts" or "Twin Cheerleaders." Fans now search for the full video or photo gallery using the names Sinnistar (creator), Kalyn & Arianna (models), and the descriptor "hot." The "de" appears due to search auto-correction or Brazilian fans adding "de" as a possessive (e.g., "Kalyn de hot" meaning "Kalyn of the hot set"). sinnistar kalyn arianna cheerleader kalyn de hot
Alternatively, Sinnistar could be a fan account that edits clips of Kalyn and Arianna (maybe real cheerleaders from a college or high school) into "hot" montages set to music. These edits often circulate on Instagram Reels and YouTube Shorts with hashtags like #sinnistar #kalyncheer #ariannahot. Alternatively, Sinnistar could be a fan account that
Kalyn as a name fits this trope perfectly. It is a modern, slightly edgy spelling of "Caitlin" or "Kaylyn," often used for characters who are beautiful but cold. The addition of "de hot" (possibly French "de" meaning "of" or a stylistic flourish) emphasizes the character's sexualized danger – a femme fatale with pom-poms. The Spirit Squad
Kalyn (often spelled Kalyne) is an indie wrestler known for her athleticism and striking looks. Wrestling fans frequently combine "Kalyn" with "hot" and "cheerleader" because many female wrestlers start as cheerleaders or use a cheerleading gimmick (e.g., The Spirit Squad, Lana’s cheerleader phase).