An Assclam is the walk a person does when they have to go to the bathroom. Holding their asscheeks tightly together, like a clam. Sometimes snapping them together quickly to avoid smudge marks. An insult to a person whom walks, or acts funny.
Hey look Chrissy! That guy is an ass clam,I hope he shits himself real good.

Look at his ass clam, he must have to pinch one off, you know sally?
by ANewRetrospect February 16, 2006
Get the ass clam mug.
n. a assclam is a person who, is always wrong talks shit and falls on his cock
by Bob Barker May 30, 2003
Get the ass clam mug.
where your ass is wetter than swamp ass and it has the stank ass odor.
i just took a shit and now i have clam ass, my girl is gonna hate me.
by jesse co April 4, 2008
Get the clam ass mug.
Excessively cheap and tightfisted with money.
Forget about asking John to donate. He's tighter than a clam's ass.
by JerseajersJea60 June 24, 2017
Get the tighter than a clam's ass mug.