When you are paralyzed from the waist down. You want to get rock hard but resort to rock flacid.
She was grinding on my wheel chair and I was extremely rock flacid.
When your friend is too high & can't form a sentence.
Ryan said "I have a rock full of pockets" as he sat in the creek playing with the sand & rocks.
Verb for someone going at it really loudly.
Stephanie was rocking the house last night! We could hear her on the 8th floor!