Clam smashing is 2 lesbians going at it very hard and loud.
Teresa was clam smashing Karrie so loud that I could hear it from 3 rooms down.
A porn stars sausage wallet that's been smashed by hundreds of dudes with horse like willys , it is most unpleasant to look at and hence looks like a smashed clam.. Approach with caution. May smell like tuna or stale baby gravy.
Look at the smashed clam on her, I wouldn't fuck it with your dick.
When two females’, slam into each other in the scissor position.
Yo Gertrude, smashing clams with you is so enlightening.