slut pass
Long-term contraceptive solutions for females, such as Implanon. Gives the girl in question a 'pass' to behave like a slut and sleep around.
"Dude, I totally got laid last night"
"Sweet, did you use a condom?"
"Nah, she had a slut pass"
"Sweet, did you use a condom?"
"Nah, she had a slut pass"