1funĀ  noun \?f?n

Definition of FUN

1 : what provides amusement or enjoyment; specifically : playful often boisterous action or speech <full of fun>

2: a mood for finding or making amusement <all in fun>

3a : amusement, enjoyment <sickness takes all the fun out of life> b : derisive jest : sport, ridicule <a figure of fun>

4: violent or excited activity or argument

I think CrossFitters have a warped sense of what "FUN" really is.