K there is this guy nd girl in my school tat does not like me at all plzzzzzzzzzz help very confused :(?

k so i have 2 friends tat i hang around with at lunch time. so when i am hangin around with them they ask one of there guy friends over when i am sittin at a table with them r standin with them while their talkin the guy says something like O your friend is callin u nd then one of my friends say O yeah they are r the guy tells me 2 ..... off 2 my face i am sooooooooo confused i didn't do anything 2 them nd they are bein really mean 2 me :( plzzzzzz help me i want 2 know why they are doin this 2 me