To go on Myspace, Facebook or similar like website and find hot girls and add them with out knowing them.
"Lets felixing on your Myspace"
"Look at her she looks hot, add her"
Kicking one leg up and putting your hands in the air (usually pointing to the sky) in celebration
Derives from Felix Hernandez celebrating after pitching a perfect game in the 2012 Mariners season
"Dude have you tried Felixing?"
"No, what's that?"
"It's the new Tebowing"