A play on words, but still the same meaning as "sweat her". A phrase used where a girl believes that the male she has found interest in will fall to her feet, or find comfort in her by sporting her like sweater
, but the male is declaring she is sadly mistaken.
"Now shawty think I'm a sweater, sipping on amaretto... She look good but I know she after my chedda. She tryna get in my pockets, homie and I ain't gonna let her" - 50 Cent