How do i tell a boi i like him?

this boi he always flirtin wit me i tink he iz sooooo i and every time i hear his name i just smile... i cnt help it i mean... i really like him... he touched my bootay and i was tryna play i off like why did yooh do dat but i was really like wow! yooh know but i guess he like me but i cant tell cuz i dunt want to be like i like you and say i dunt to you, u know i could do things he especially likes and that will make like me more i dunt want to make him but i think he likes me in so kinda sense!! so please any advice!!!!