a night time with a few people. If a party is to be considered part of a "chillnight" then it shall be referred to as a party, not a partayyy.
Josh: "Bro, you wanna come partayyy with me and these girls tonight?"
Richard: "Nah, I'm good. I'm just gonna have a chill night."
Josh: "Okay man, have a fun party."
the period of time during late night/early morning where almost any female will be in the mood for some action. Although this time varies from girl to girl, on average this STARTS between 12:00AM and 3:00AM and ends at any time.
"dude, my girlfriend was awake during that time of night and she was so horny I woke up to her giving me a blowjob"
On a saturday night you are with your bitch and you bend her over and fuck her butthole. You rip apart so much as to "massacre" her butthole. May cause some casualties, but is not set to kill the person.
May bitch came over and i Saturday night massacred her and now shes not my bitch.