Hi there is a small bump on my right buttcheek very close to the crack. it is under the skin and hard. it hurts when i aplly pressure to it.

It may be a : Pilonidal cyst or other type of cyst. If it doesn't resolve, or worsens please seek medical consultation. Take care.

Possible cyst: This may be a plugged follicle causing a cyst formation. It could also represent another problem related to the intestine rectum depending on the location. These should be checked out by a doctor- sometimes will need to be drained.

See a doctor!: Could be an abscess that needs to be drained.