It’s a trope we’ve seen played call at pop music culture again and again: women can be difficult to read, males are clueless, blah blah blah.
The geek is goaded into asking the girl that is popular, then gets shot down at the entire college while her douchebro buddies laugh their asses down. Or those exact same douchebros, suffering from an overinflated feeling of their particular handsomeness, assume all women in the vicinity that is immediate get butterflies in the simple sight of these.