1fun 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.