From the second edition (1989):
[Cf. ‘Fuckwind, a species of hawk. North.’ (Halliwell).]

1. A name for the kestrel: cf. windhover.

1599 Nashe Lenten Stuffe 49 The kistrilles or windfuckers that filling themselues with winde, fly against the winde euermore.

2. fig. as a term of opprobrium.

1602 Narcissus MS. Rawl. Poet. 212, lf. 80, I tell you, my little windfuckers, had not a certaine melancholye ingendred with a nippinge dolour overshadowed the sunne shine of my mirthe, I had beene I pre, sequor, one of your consorte. 1609 B. Jonson Silent Wom. i. iv. (1620) C3b, Did you euer heare such a Wind-fucker, as this? c1611 Chapman Iliad Pref. A4, There is a certaine enuious Windfucker, that houers vp and downe, laboriously ingrossing al the air with his luxurious ambition. a1616 Beaum. & Fl. Wit without M. iv. i, Husbands for Whores and Bawdes, away you wind-suckers [sic ed. 1639].