A silly Billy is someone who is either very silly or is acting like a willy, can/or be combined with words such as vanilly, lil etc. to further validate if someone is being a silly willy vanilly Billy
Omg Chris you are such a silly Billy. You are the absolute definition of a silly Billy
Someone who does something silly, like a puppy, who has no experience or thought into what he or she is doing.
Man, you are such a silly puppy... Didn't you know that a quarterback is not a refund?
Doing the deed, getting busy, hitting the nasty, getting jiggy, having sex, fucking.
Jenny and Me were smacking sillies like hyenas on crack last night.
Vodka, commonly put in a water bottle
Hey Zoe, are you getting silly water for this weekend?
plural noun Another word for drugs you can eat or smoke to get high. Like mushrooms, weed, pills, ect.
I'm tripping dick on silly snacks!
After white people takenormal group pictures, one adult usually uses 'silly one' meaning taking an abnormal picture. Thus can involve Fingerguns, duckfaces and wide open mouths.
Marcelo: Let´s take a group picture!
Someone: *takes picture*
Elisabeth: And now a silly one!