Pull out a can of Cheese Whiz, top the bread with it, and take a nibble.
Say really loud...."Oh, wow! Jesus' body is really tasty this year!"
Ask to sniff the cork before taking a sip.
Sneeze as the crackers pass you by. Have some fake slime hidden in your hand and release it onto the tray as you sneeze. Act like nothing is wrong.
Using a pocket device, play haunted house noises.
Get one of those singing birthday cards. Take the chip out, hide it under the carpet in the aisle.
Kneel during prayers.
Pull out your own bottle of Cold Duck and guzzle it while the glass is being passed in the rest of the hall.
Get some glow-in-the-dark face paint. Write a pentagram on the bathroom window.
Wear full Easter regalia--hat, suit, sandals, gloves.
Lighten your face, darken under your eyes, and wear blood red lipstick--in amounts shy of making you look goth, but enough to make you look a little eerie.