ironic

adjective4

1. •
   Characterized by or constituting (any kind of) irony.

   • It's somewhat ironic to have a wave of smog right on Earth Day.
2. •
   (nonstandard) Odd or coincidental; strange.

   • It's ironic that we are eating a sandwich in Sandwich, Massachusetts.
3. •
   Acting in an unserious and teasing manner.

   • Don't take it personally. We're just being ironic.
4. •
   Done in an insincere and mocking manner; satirical.

   • You should assume that everything this guy posts is ironic.