Grengle
To Grengle or; Grengling, is when you swipe the grease/sweat from between one persons booty cheeks and use it to grease up another persons booty cheeks and anal pucker for the intent of sexual penetration.
Big Mike met me behind the Denny's for an impromptu Grengle, I was down to tap that ass!
Grengle
Grengling is when you take the sweaty booty grease from one mans booty and apply it to another mans booty for the intent of the sexual endeavors
We all began to Grengle after the wedding.