Uncle John n.
1. (US campus) a mens’ lavatory.
![[US]](/static/img/flags/us.png "United States") | Campus Sl. Nov. 13: uncle john – toilet: ‘I’m going to visit my Uncle John.’. |
2. a penis.
![[UK]](/static/img/flags/uk.png "United Kingdom") | Indep. on Sun. 16 Jan. 28: Upset a few people in the park with a flash of your Uncle John? |
1. (US campus) a mens’ lavatory.
| Campus Sl. Nov. 13: uncle john – toilet: ‘I’m going to visit my Uncle John.’. |
2. a penis.
| Indep. on Sun. 16 Jan. 28: Upset a few people in the park with a flash of your Uncle John? |