suck

1. an exclamation of anger or exasperation such as
"shit!"

2. also used as an insult to someone else, in the form of a command.

1. "Suck! I forgot my homework!"

2. "Hey Cait, you can just go and suck!" or just "Hey cait, suck!"

Conjugulate

to mess up or do something wrong. Or to become sick

Ughh that pie totally conjugulated my stomach!

Katie is stupid; she always conjugulates in class.