I Have To Just Suddenly Peee... Its Not Like Its

I have to just suddenly peee... its not like its a pee that i can just hold in and ask to go to the bathroom.. pr a pee where i see it coming like it just randomly comes... like i'll have to and run to the bathroom.. i won't even have too pee but suddenly ill have to out of no where like really bad and then ill just pee my oants a bit and sometimes ill have to rush before i pull my pants down because its about to come out