shell adj.
1. (US campus) crazy.
![[US]](/static/img/flags/us.png "United States") | Campus Sl. Oct. 9: shell – crazy, disturbed. Can be used either affectionately or seriously. | |
| Campus Sl. Apr. 4: go shell – feel very uneasy, nervous, agitated: ‘I nearly went shell having to spend an entire summer with my parents’. | |
| Campus Sl. Spring. |
2. (US campus) bad, second-rate.
| Campus Sl. Nov. 5: shell – surprising, astonishing, unexpected, rude, inconsiderate: ‘I can’t believe she went out with him, knowing he just broke up with her best friend—that is so shell!’. | |
| Campus Sl. Apr. 5: shell – in poor taste, raunchy: ‘That movie was shell’. |