bisummeral 

defines someone who travels from one hemisphere to the other, in order to attain year-round summer weather

Josh is bisummeral, so he's spending some time in Australia right now.

bisummeral by Lover of Summer April 8, 2010

Binumeral

Meaning you know how to read numbers in two different languages.

My friend sincere changed his phone language to French and he can read the time. he’s Binumeral in French and English now.

Binumeral by HarryStylesCutout December 16, 2025