-verb
1. to post an angry or hateful message to a persons "wall" on Facebook.
-noun
1. An angry or hateful comment on a persons Facebook "wall".
-verb
1. Please do not ever Face Mace me again or I'm going to report this abuse to the web master.
2. I can't believe i just got Face Maced!
-noun
1. "I just saw the brutal Face Mace Becky left on my wall. The shame I feel is epic."