Ways to be truly offensive at a funeral...
Tell the widow that the deceased's last wish was that she make love with you.
Tell the undertaker that he can't close the coffin until you find your contact lens.
Punch the body and tell people that he hit you first.
Tell the widow that you're the deceased's gay lover.
Ask someone to take a snapshot of you shaking hands with the deceased.
At the cemetery, play taps on a kazoo.
Walk around telling people that you've seen the will and they're not in it.
Ask the widow to give you a kiss.
Drive behind the widow's limo and keep honking your horn.
Tell the undertaker that your dog just died and ask if he can sneak him into the coffin.
Put a hard-boiled egg in the mouth of the deceased.
Slip a whoopee cushion under the widow.
Leave some phony dog poop on top of the deceased.
Tell the widow that you have to leave early and ask if the will can be read before the funeral is over.
Urge the widow to give the deceased's wooden leg to someone poor who can't afford firewood.
Walk around telling people that the deceased didn't like them.
Use the deceased's tongue to lick a stamp.
Ask the widow for money which the deceased owes you.
Take up a collection to pay off the deceased's gambling debts.
Ask the widow if you can have the body to practice tatooing on.
Put Crazy Glue on the deceased's lips just before the widow's last kiss.
Show up at the funeral services in a clown suit.
If the widow cries, blow a trumpet every time she wipes her nose.
When no-one's looking, slip plastic vampire-teeth into the deceased's mouth.
Toss a handful of cooked rice on the deceased and scream "MAGGOTS! MAGGOTS!" and pretend to faint.
At the cemetery take bets on how long it takes a body to decompose.
Get someone to call you on your cell phone during ceremony and pretend your talking to the deceased person.
Goose the widow as she bends over to throw dirt on the coffin.
Circulate a petition to have the body stuffed instead of buried.
Tell everyone you're from the IRS and you're confiscating the coffin for back-taxes.
Promise the minister a hundred dollars if he doesn't keep a straight face while praising the deceased.
Write "Best before last week" on the top of the coffin when nobody is looking.
Accidentally sneeze on the deceased, and literally wipe the smile off his face.
If its a woman, spread her legs and write "Dying for a Shag" on the side of the coffin.