A Heidi
A Heidi is the best friend who'll laugh at your dumb jokes and still cry with you when you fail.
Heidi cried when I got kicked out of school and then laughed when I told her my teacher was a bald eagle.
Heidi said I was 'the most beautiful failure she ever knew' when I flunked math.
Heidi brought me cookies when I got grounded and said, 'You're my favorite dumbass.'