Possible Clues:

• Sport where there's no time for messing
• The protracted use of lines
• Fishing (for)
• Gawky being ultimately cut out for relaxing sport?
• Using a rod and line
• Pursuit with hook, line and sinker?
• Sneakily managing to get rid of women's sport
• Hook and line activity
• Seeking perch, perhaps flapping, losing head
• No good piercing a fish when doing this!