That bottom part is clearly the symbol for infinity. If anybody's balls look like that, they should make an urgent appointment with their doctor.
So, having decoded that much, I think I can I can confidently say that the pilot was intersecting with infinity up there , and sharing the good news with we earthbound folk in mathspeak.
They're gonna have a hard time proving that's a penis, if it matters
. Shame on them for corrupting innocent minds.