Home : Online Slang : GIWISI GIT | GJ Tweet GIWISI Meaning Gee, I wish I said it Type Acronym Rank ★ ☆ ☆  Uncommon Usage Online Only (chat, messaging, e-mail) Comments Means the person wishes he or she said something first. Updated August 7, 2013 All "G" Slang Terms Online Slang Home Print