I agreed to play this girl in my class at poker, but she said tonight "don'!

I agreed to play this girl in my class at poker, but she said tonight "don't forget, loser runs home starkers"

what does starkers mean??

my friend jessica said "don't worry it means without money i think"

and she started giggling and hung up.

this all sounds very suspicious.

what did i get myself into??

OOOOOhhhhh you going to be naked if you lost. And certainly she'll do anything to win.