HAN Solo threw your Mom's crotch off a cliff because he's anti-herpes.
to be against something
to be rebellious, defiant. To start a revolt. Unlike the related words 抵抗 （ていこう） and 対抗 （たいこう）、 反抗 has the nuance of 'rebel for the fuck of it,' like a teenager would.
a reaction - despite the 反 kanji, 反応 is not neccesairly a bad reaction. As a noun, it's value-free. (careful! This is pronounced NOU, not OU)
Jason Newsted was seen as the Anti - CLIFF by old-school Metallica fans.
NARUTO is your friend if you're an anime nerd.
Alternate mnemonic: only FRIEND has a "head" poking up above the horizontal line, and friends have heads.