You've had anal sex and end up with a lot of shit on your penis, you have had a greasy night.
Brain: I heard you had a one night stand last night.
Chad: Yeah, but she was a proper minger, ended up having a greasy night!
Brain: That's fuckinggross!
Precedes or follows either a gratuitously disrespectful or honest remark, originated in New York City. Used in similar fashion to "no offense" or "to be honest," interchangeably.
Ya mans is wild buns, respectfully. Respectfully he's washed.
After school, The Modells on Jamaica Ave was active. Respectfully.