OK folks, this is a lighthearted thread. Don't take it too seriously. 'Offensive' terms are welcome, just think about some of the famous stand-up comedians. We're not judging, just laughing.
I'm wondering what euphemisms you use or know of for various sexual activities. This could be M/F, F/M, M/M or F/F. If you don't think others might know what you're talking about, please define.
I'll start - bumping uglys