By mistake or something else.....?

Question

I was playing with my friends. we were playing chains[it is a game in which we have to catch each other] Some boys were also playing with us.A boy put his hands around me and catch hold of me from my waist.Now please tell me that he did it by mistake or something else....

Answer 1

He was trying (and appears to have been successful) to catch a cheap feel.

Answer 2

I think it a mistake, how else would he catch you?