Procure por qualquer palavra, como blumpkin:
 
1.
The comparative term to the male "cock block." It means to effectively stop a female companion from getting laid.
I was gonna bring this hot guy back to my apartment, but my bitch roommate decided to pull a clam jack.
por Lon 11 de Outubro de 2005
 
2.
When a woman interferes with one's attempt to hook up with someone. Similar to "cockblock".
"He was totally into me, but then that bitch showed up and clamjacked me."
por Whereswill 23 de Janeiro de 2007