[bossmojoman]

I hear that https://help.github.com/articles/dealing-with-non-fast-forwa... is pretty hot.

[ExpiredLink]

hard core - it contains push, pull, fetch and even merge. NSFW!

[Beltiras]

Most sexy of all: rebase. You can go back and do things differently the second time around.

[TazeTSchnitzel]

git push --force is often neglected, but it's rather kinky.