adj. no rub is what you would point out about an attractive female in a bikini and notice when legs together the top of her thighs don't touch.
Oh man you check out Jess in that bikini, no rub bruddy.
ayon kay JayRyder ika-28 ng Agosto, 2005
The act of engaging in sexual intercourse without a protective device (i.e. condom).
I'm going to bang that bad bitch no rubs.
ayon kay T-Willy ika-13 ng Nobyembre, 2006