I hesitate to post this, but I will anyway.
http://www.youtube.com/watch?v=NKDPbcL_jPA&feature=youtu.be
These women obviously didn't read the introduction to Beauvior's The Second Sex.
So because i'm (probably) taller and heavier than you, if I tell you angrily to "Shut the fuck up" then i'm intimidating you and thus causing assault?
No it outright does not. A threat is enough for assault to have happened.
Battery does.
Your laws are wrong.
Different Types of Assault Under Canadian Criminal Law said:It is considered an assault when a person attempts to apply force or just threatens to apply force without the consent of the other person.
http://www.dvpledgecriminallawyer.ca/different-types-of-assault-under-canadian-criminal-law/