Henry
Henry asked you to be his girlfriend by blackmailing a bunch of kids to give you notes throughout the day. they would say things like, "beautiful, gorgeous, magical, you". Then at the end of the day, he walked up to you and asked about the notes, you asked him how he knew about them. "They're all things I want my girlfriend to be. You punched him, but only because he made you feel stalked.
Patrick
Patrick asked you out by sneaking into your window at like 3 am and scaring the shit out of you. He laughed his ass off before asking you to be his girlfriend. You told him yes but to never do that again.
Belch
Belch asked you out by taking you on a ride to his favorite spot near the barrens, but the whole ride he played love songs in his car. You were so confused until you guys made it to your destination and he set out a picnic, while you were eating he asked you out, making you almost choke to death on your sandwich. You said yes though.
Victor
Victor being the romantic that he is took you to get ice cream and asked one of the waitresses to write "be mine?" in caramel sauce on your ice cream. You couldn't help but laugh at how adorable he was and said yes before eating your ice cream.