Panzy

A person who claims to be something or does something commonly and backs down when it comes to doing it.

A Panzy is pretty much a lier and a pussy towards everything.

BEFORE HE SAY'S
Josh: Dude I smoke Pot every day after school

NOW HE SAY'S
Romain: Hey here's some pot lets smoke!

Josh: Ummm dude I don't feel like it I just quit a few day's ago.

Romain: But you just told me you smoked this morning... were you just trying to act cool?

Josh: Ummm Kinda...