【One Idiom】all over somebody

"The customer has been pushing badly these days, if you don't give it to me by noon time, it will be all over me".

 

Depending on the context, you might hear other meanings of this phrase, but here it means 

1. Paying overly close attention to someone or something, often accompanied by unwelcome physical closeness as well.

2. To berate, upbraid, or verbally attack someone.

 

e.g. The boss was all over me yesterday for coming into the meeting late.