mass crasher

-noun
An individual who, while under the effects of drugs or alcohol attends mass and start making loud, offensive comments, interrupting the ceremony, and thus becoming terribly annoying and obnoxious to the rest of the congregation and eventually has to be kicked out by several people or ends up being arrested by the police.

Last sunday we had a mass crasher at church.

Jeremy is an habitual mass crasher, everytime he gets shitfaced on a saturday night he ends up crashing mass next morning.