Initials for "Operation Iraqi Freedom".
"OIF is by far the US's most challenging war, on ALL aspects, including particularly politics."
by Dave September 13, 2004
x bonks y. y says "oif!"
by Patrik Lundin October 05, 2004
an oif is like a fuckbuddy except a fuckbuddy is just for shagging but an oif you can go for dinner with too...
hey ive got three oifs, no hard feelings but im going to the movies with one already tonight
by yukelda July 11, 2006