You step closer towards her and make her feel uncomfortable.

You move in close so she has no choice but to look up at you, then you stare at her intently, trying to intimidate her.

"I SAID TAKE IT OFF BITCH" you yell right into her face, startling her.

She takes a step backwards, but you grab her arm and pull her close, and repeat yourself in a quiet but threatening tone. "Take. It. Off."