The name.. explains itself...
10 ways to GET ON THE LAST NERVES OF Lucius Malfoy...
Tell him he needs to try Garnier Fructis.. his store-brand shampoo doesn't do good to his hair..
Ask him how his house-elf is doing.. if he says it's good, shout: "YOU WILL NOT HARM HARRY POTTER!"
Point behind him and yell: "VOLDEMORT VOLDEMORT OH VOLDY VOLDY VOLDY VOLDEMORT"
Tell him shaving cream and a razor wouldn't kill him.
Ask him if he know LUCY Pevensie..
Ask him if girly first names run in the family.
Give him a sock
Make him watch "Draco Puppet" on youtube
Recommend him some tie-dye clothes and a peace sign necklace.
Give him a brush with the words "From your dear father" on the back.