What you need to stay awake in class.

1. a pistol or other firearm

2. the weights used by weightlifters

That a song about things which are ironic makes no mention of any things which are, in fact, ironic.

Someone who never gives up and is always doing the right things.

containing irony

irony:
-the opposite of the literal meaning
-a mismatch between the expected and the actual result

Various states of irony in close succession.

Something is Ironic when what happens is the opposite of what is expected