weekend dad noun2 •(informal) A noncustodial father who has custody of or visitation with his child or children primarily or exclusively on weekends.She and the kids moved to Brentwood, and I continued to see the kids as much as being a weekend dad allowed. — 1993 •(informal, disapproving) A custodial father whose time with his child or children is limited mainly to weekends.If you're a single dad, don't let anyone call you a weekend dad. Interact with your children daily and check up on their schoolwork daily. — 2011 formsweekend dads