"Funny" really depends on one's point of view. For example what I find funny, you might find plain. What you find funny I might find "meh". Avoid the inside jokes between you and your friends, the ones that only the fans of the show will understand, and hope.
"I'm smiling, Private. And you know how I hate that."
Keep calm and eat BANANAS with Byakuya's approval.
"Fight with me, brother! Or die alone!"
".... Not much of a threat, considering we're already in Hel."