A person that loves to swap clothing and other items with friends. Someone that cares about keeping items in rotation and out of landfills.
Amy attends clothing swaps every month, she is a swapaholic.
1 more definition
A person with a drinking problem who thinks they are helping their issue by moving from their drink of choice to another.
"My wife is a swapaholic. She told me she's going to curtail her wine habit, but now drinks Vodka."