The "cartoon bubble sound effect" most associated with "hot" situations is often

cartoon bubble sound effect hot

These sounds became so culturally ingrained that a now triggers an automatic emotional response: danger, pain, but nobody actually gets hurt.

• Pixabay Music: Search "cartoon bubble." Filter by "Hot" or "Boiling." Their tagging system has improved significantly in 2024/2025.
• Freesound.org (User: InspectorJ): Look for the "Foley - Boiling Mud" or "Sizzling Grease" tags. You may need to pitch-shift these up by 2 semitones to get the "cartoon" feel.
• YouTube Audio Library: Search "Bubbling." Download the sound, then in your editor (Audacity, Premiere), increase the Treble by +6dB and add a 'Chorus' effect to make it sound toony.

For animators, YouTubers, and meme creators, this specific sound is more than just noise. It’s a shorthand for danger, comedy, and visceral reaction. Whether it’s Wile E. Coyote stepping onto a scorching desert rock or a chibi anime character touching a hot pot, that sizzling, bubbling fizz is indispensable.