I am not a native speaker and I never associated gimp with a sex meaning, even if my vocabulary is pretty expanded.
It could be called "DesirePix 2.0" or "SeductionStudio 4.0" but the main problem is that it gives a worse user experience than using Adobe Photoshop 5.0 on windows 95, on every single aspect. Features, speed, UI, ease of use, and so on