Stack fetish / Confinement
A 'stuck' or confinement fetish is arousal from being trapped or stuck — wedged in furniture, caught in a tight space, glued or bound in place, or otherwise unable to get free. Some have very specific versions (a glue fetish, a stuck-in-a-window or -furniture scenario), while others just love the general idea of someone helplessly trapped. It's closely tied to claustrophilia and bondage, centering on immobilization and helplessness rather than pain. Much of it is playful, even comedic, as well as erotic. It overlaps with confinement, claustrophilia, and helplessness kinks.
The appeal is helplessness and immobilization — being unable to escape puts the person completely at the mercy of the situation (or a partner), which for many is a potent, vulnerable surrender. The specific 'stuck' scenarios add a playful, slightly absurd charge.
It plays out through scenarios of being trapped — wedged in furniture or a tight space, 'stuck' and unable to move, restrained as if caught — sometimes with a partner teasing the helpless person, sometimes purely as fantasy or roleplay. Props set the scene.
If someone is genuinely wedged or confined, mind breathing, circulation, and overheating, don't leave them stuck and alone, and ensure a real way out. Avoid truly trapping anyone in a way that could injure, and keep a signal to end it. Otherwise it's low-risk roleplay.