When someone, usually a male, is extremely polite and overly trying to be chivalrous when it isn't wanted or consented. This could be forcibly carrying your books, opening doors and pulling out your chair in order to position himself as a possible suitor.
"that guy totally chivalraped me, I didn't think it was a date but he kept opening doors for me and pulling out my chair!"
Someone who is very good at technological endeavors. You might call them to fix your computer, or program your website, or make your car electric.
That girl is not only a race car driver, she's also got a blue thumb.
When a man attempts to be chivalrous but is shut down for it and thusly prevented from being chivalrous, or made to feel bad about being chivalrous.
"Don't even try being nice to her, she's a chivalblocker"
"She made fun of me for opening her door for her! Total chivalblock!"
This describes people and activities which resemble a good brother or something a good brother would do. It includes favors, good deeds, trust, patience, and generosity. It is derived from the idea of brotherly love.
"Thanks for letting me borrow your car for the weekend, that was very broish"