2. An extremely boring cunt.
3. Someone who always abides by rules, never questioning anything, or talks big about their hardassness, then just pussies out. A big blubbering vagina.
4. Someone who's never kissed someone. Usually applied to boys, but can be applied to girls too, though those are usually referred to as frigid.
2. My god, Luke is such a stiff. He never wants to skip lessons and he never messes around. He's such a pussy. What a stiff.
Stiff: Yeah I'm really hard. I skip all the time.
Norm: So you coming to smoke a J?
Stiff: But we'll get caught/But what if my mum finds out?
4. Yeah so I was trying to kiss Jenna last night, she was really frigid and freaked out.
Noun: Stiffs at a bar find themselves thirstier than the good tippers.