Slang for twin-tip, or park, skis.
Dude, check out my new twinnies. Let's go rip up the park with these bad boys.
by alfonzobonzo March 21, 2010
Two really cool girls who think alike.
When you think of twinny, think Romy and Michele from "Romy and Michele's High School Reunion."
by twinnyyyy January 13, 2008
two really cool people who think the same and are really awesome
you my brother from another mother, you're my twinny.
by twinnnnnyyyy September 20, 2010
An fantasmagoracle, amazingly beautiful twinny who you get along very well with and you constantly try and be better than BFFS (usually boy and girl)
"look at that chick!, yea man shes my twinny ;) "
by sparkle.dude June 22, 2012