look up any word, like guncle:
 
1.
To feel congested, have a 'stuffy nose', etc.
It's spring time and everything is in bloom. I'm feeling rather sinusy, too.
by Seerah123 September 06, 2009
 
2.
Having a sinus infection and being bitchy at the same time.
She was so sinusy from the big storm that she couldn't sing.
by thumpergirl June 25, 2007