Hoarder

"You gain +25 lbs. to your carrying capacity, but suffer a -1 to all attributes any time the weight you're carrying drop below 160 lbs."

- Fallout:New Vegas description

Hoarder is a trait in the Fallout: New Vegas add-on Old World Blues.

Effect
You gain +25 lbs. to your total carrying weight but suffer a -1 to all SPECIAL stats any time your total carrying weight is below 160 lbs.