He thinks to himself “I can fly over there, have super sonic fast sex with her, and fly away before she even notices…”

He zips over, pumps away with a speed that induces time dilation in his nether region, and flies away before Wonder Woman can tell what happened.

Startled, Wonder Woman exclaims, “What the hell was that???”

The Invisible Man replies, “I have no idea but my ass hurts like hell!”