1. people who use illegal drugs occasionally or recreationally rather than habitually
Usage: slang; dated

Examples

• The police report distinguished between serious addicts and joypoppers.
• Many joypoppers from the 1960s eventually stopped using drugs entirely.
• The study examined drug use patterns among joypoppers versus regular users.
• Joypoppers typically used substances only at parties or social gatherings.
• Treatment programs often had different approaches for joypoppers and chronic users.