the obscenity fuck is a very old word and has been considered shocking from the first, though it is seen in print much more often now than in the past. Its first known occurence was sometime before 1500.
n.
an act of sexual intercourse
to act wastefully or foolishly
used an an intensive
v.
to interfere; meddle. often used with with
interj.
used to express extreme displeasure
We knew the meanings, we still learned it the hard way. Over the past sixty years we were told five times. we learned nothing. we are fucked.