Papyrus
You were watching MTT and you say Papyrus come out of the kitchen walking wonky to you and talking gibberish saying "Wowie imagine if whales and unicorns were in love" "Papyrus SHUT UP" and you kissed him and he started getting overwhelmed and fainted.
Sans
Sans was at grillby's and he was out for a long time so you went to grillby and asked where sans was he said he left 5 minutes ago and you walked around for him and he was on the roof of grillby's and he was shouting "I'm a lazer-shooting unicorn polar-bear" and he jump of the building and face-planted in the snow the was about to roof again but you picked it up and walked him home he was speaking gibberish and you put him in his bed and kissed him he was hyper and he was gittering while he slept.
Nabstablook
You were listening to music and Nabstablook burst in the doors in tears you hugged him and you noticed he smelt funny and you asked if he was drinking he nodded and you sighed and said "you a*shat why would you do that" and he just said sighed and fell asleep on the sofa.
Asriel
You were playing video games and you saw asriel stomping wonky through the doors and sitting next to you and you said "well someone is grumpy" "Blah Blah...BLAH" you gave him a death glare and he took the controller from you and you said "hey give it ba-" "WhatEVER now get me food" you screamed "WHAT!?!?!?" as you slapped him in the face and looked at him in his eyes he got scary and snapped out of his drunk trance because of how scary you got he said sorry and you got the controller back \(^o^)/.