look up any word, like bae:
 
1.
A word meaning one week in fantasy books
The trip will take a tenday
by ShadowkidX91 December 09, 2009
 
2.
tenday is a meaning of good or awsome
me: yo dude ain't I so tenday
freind: nahh be I'm more tenday
by blahh blhh blahh May 22, 2010
 
3.
TenDay is an abreaviation of the words 'Tenth Birthday'
It's Urban Dictionary's TenDay
Oh, hey, is it your TenDay?!
by JacBev333 December 09, 2009