look up any word, like b4nny:
 
1.
Breast that are so large and tantalizing that, like pavlov's dog, as a man you begin to drip slobber from your mouth
Wow, she has some massive Sloberknockers
by Charlie smith February 11, 2008
 
2.
something that goes on for a long period of time
this fight look to be a down right sloberknocker
by sam ashton September 08, 2008