What does the baby kicking feel like ?

Wendy • Im soon to be a Mom in August , this is my first so any advice ill be welcome to take in ! Thank you
I'm 16 weeks & five days and this is my first pregnancy . I've been feeling like flutter like stuff like growling going on I can't really describe I much but I feel stuff happening in my belly I haven't in the past couple days actually started up last night and through out today please try and describe it ????