This is the phonetic pronunciation of the 13375p33k (leetspeak)
word pl0x, meaning '
please'. Alternate pronunciations are ploox, plowx and puh-lowx. Normally, plocks is used to
add emphasis to a question that may or may not be serious, or as a last ditch attempt to get the desired response.
John:
Dude, can I have some of your chicken?
James: No
way, broham.
John: Oh my god, PLOCKS?! I'm so hungry!
Joe: Hey
buddy, can I have bromission to hook up with your sister, plocks?
John: Haha..ha..ha. No.
Joe: Ooo heh, alrighty.