biannual
Occurring two times per year
Dentists strongly recommend receiving a biannual checkup to ensure a good well-being.
biannual bash
half-birthday party
"What's the occasion?"
"It's my biannual bash!"
"It's my biannual bash!"
Biannual Santa Claus
Someone who comes down your chimney twice a year.
i.e. a sexual encounter that happens twice a year.
i.e. a sexual encounter that happens twice a year.
Biannual Santa Claus comes but twice a year.