2.verbTo send a message or leave a comment on Facebook.
"Facebook me the details later."
3.nounA reference book or electronic directory made up of individuals’ photographs and names.
4.nounA college publication distributed at the start of the academic year by university administrations with the intention of helping students get to know each other better.
"The shipment of facebooks will be distributed to the freshmen during orientation and move-in-week."