personal bubble 

A term used to describe someone's personal space. The space around them which nobody should enter unless invited to do so causing a level of awkwardness of some level of discomfort.

That asshole is always in everyone's personal bubble. One day someone is going to beat the crap out of him.

personal bubble by cybrez November 24, 2015

Personal Bubble Rape 

When someone invades your personal bubble and continues to even after the victim says no to the invasion

Boy: Please leave you're inside my bubble
Girl: No
Boy: THIS IS PERSONAL BUBBLE RAPE!!! NOT ANYMORE

Personal Bubble Rape by PodSafe September 22, 2014

personal space bubble 

the area around a person, aprox. 1 - 2 feet (depending on culture), that you should not enter without their (vebal or non-verbal) permission to do so.

see also space bubble

That creepy dude standing too close to you on the subway is violating your personal space bubble.

personal space bubble by Alyssa N. October 12, 2006