ichidan verb, intransitive verb
sulk; be peevish; act moody
Colloquial intransitive verb for acting sullen, moody, or rebellious, often with a rough or delinquent nuance. Common in casual speech and youth slang.
彼は朝からずっとやさぐれている。
He's been sulking all morning.
や
Don't give me that peevish attitude.
ichidan verb, intransitive verb
run away from home; leave home in a huff
Original colloquial meaning, now somewhat dated. Describes a rebellious act of leaving home, often associated with youth delinquency. Modern usage leans more toward sense 1.
中学生のとき、やさぐれて家出したことがある。
When I was in junior high, I ran away from home in a rebellious mood.