I’ve always found that weird.
How does a women rape a man?
What kind of sheltered existence do you lead, Jan?
As an example, let me refer you to the definition of rape in the criminal code in my own jurisdiction. Rape requires sexual penetration without consent. Here's how "sexual penetration" is defined:
(1) A person (A) sexually penetrates another person (B) if—
(a) A introduces (to any extent) a part of A's body or an object into B's vagina; or
(b) A introduces (to any extent) a part of A's body or an object into B's anus; or
(c) A introduces (to any extent) their penis into B's mouth; or
(d) A, having introduced a part of A's body or an object into B's vagina, continues to keep it there; or
(e) A, having introduced a part of A's body or an object into B's anus, continues to keep it there; or
(f) A, having introduced their penis into B's mouth, continues to keep it there.
(2) A person sexually penetrates themselves if—
(a) the person introduces (to any extent) a part of their body or an object into their own vagina; or
(b) the person introduces (to any extent) a part of their body or an object into their own anus; or
(c) having introduced a part of their body or an object into their own vagina, they continue to keep it there; or
(d) having introduced a part of their body or an object into their own anus, they continue to keep it there.
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Now, see if you can figure out the answer to your own question.