Genevieve Glenn (left), of Bedford, N.H., and Dawn Herrick , of Charlestown, were among the 100-plus revelers at Monday night’s “Guacaholics Anonymous III” party at Poe’s Kitchen at the Rattlesnake on Boylston Street. The celebration included tastes of guacamole prepared by chefs across the city. Proceeds from the night went to the local organizations Lovin’ Spoonfuls and Community Servings.