Adjective that describes a person who urgently needs to to the toilet

We say hungry if someone wants to eat, thirsty if someone wants to drink and sleepy if someone wants to sleep.

What’s the adjective used to describe the person who has a desire to go urgently to the toilet other than I want to take a …

Do we have such a word in the casual day-to-day speech? I am looking for an informal word that used with friends boys and girls.

Thanks