A combination of 2 very hot, undiserabley mamas, who like to party and have good long sex.
heyy looook its milly and silly over thurrr!
A lazy slob who sits on his arse all day playing video games
Aaron, you are a silly bum from Africa.
A slice that will make you act silly.
Friend: Silly slice!
You:Does something silly for 5 seconds.
a phrase used to make fun of ap statistics. it started out as a misunderstanding and turned into a phenomenon.
"did he just say 'silly probability'?"
"idk, i wasn't paying attention"
"haha, silly probability"