Green’s Dictionary of Slang

U-haul n.

[the US truck rental company U-Haul]

(US gay) a lesbian who falls in love at first sight and moves in right away with a new lover.

[US]R. Scott Rebecca’s Dict. of Queer Sl. 🌐 U-hauls — used to refer to lesbians who fall in love at first sight and move in right away with a new lover. This phenomenon is so well-known within the lesbian community that it resulted in the joke ‘What does a lesbian take on her second date? A U-haul.’.