Skip to main content
Dictionary
Store
Blog
World
Help
Advertise
Chat
System Status
Do Not Sell My Personal Information
Information Collection Notice
reCAPTCHA Privacy
Terms of Service
reCAPTCHA Terms
Privacy Policy
Accessibility
Report a Bug
Data Request
DMCA
© 1999–2026 Urban Dictionary ®
Browse A–Z
Add a Definition
User Settings
Definitions by xoamrc
Red Ninja
Share definition
Flag
another name for a
girl
's
period
. This is because your periods can sneak up on you out of nowhere like a ninja. The red's because of the
girl
's period.
Girl 1:
ugh
! The red ninja caught me
today
!
Girl 2: Was his name (t.o.m.)?
Girl
3: yup
Red Ninja
by
xoamrc
November 2, 2009
0
0
Get merch