The slippery clam is the act of taking a big swig of cold water right before going down on your lady's parts, a guaranteed crowd pleaser! Warning: it gets very slippery.
by Bennie Codgers April 1, 2011
A term for an excessivley moist object (vagina) that resembles and feels like a slippery clam or mollusk
by josh tribune February 13, 2004