yū·pii·efu
1. Ultraviolet Protection Factor; UPF
Noun
1. Ultraviolet Protection Factor; UPF
1. Not upf.
1. Was up.; Was a failure.
1. It's not UPF.; It isn't UPF.
1. If/when UPF
1. Probably up.; It will likely go up.
1. Was upf.
1. UPF's; Relating to UPF
1. Probably.; It will likely be.
1. It is not UPF.