When the lip of a ladies clam hangs out of her panties and clings to her leg like bubblegum. May also refer to the appearance that closely resembles a ragged used up piece of big league chew clinging to her inner thigh.
As we walked up a hill on a long hot humid day, my girlfriend leaned over and whispered 'I have Clam Tongue Bubblegum'
Humming a tune while giving a female oral.
She freaked out when I clamboned 'revelry'