The act of excessively grabbing in an arena of people which has connotations of physically grabbing someone in a way that implies physical interaction which may involve some sexual interaction.
Combination word Gnarly (as a negative connotation) and Garbage. Can be used in place of the actual word garbage. Or it can be used to describe unsavory things or situations.
“This party is gnarbage.”
"I'm taking out the gnarbage."
"He's a gnarbage collector."