Green’s Dictionary of Slang

1. (Aus. teen) a general insult.

1999

G. Seal Lingo 104: Insults also included pizza-head and the poetic pimple on the penis of life.

2. (US campus) greasy, dirty hair.

1996

Eble Campus Sl. Sept.

(drugs) psilocybin/psilocin ‘magic’ mushrooms.

2002

‘Drug Sl. Vault’ on Erowid.org 🌐 Pizza toppings Psilocybin Mushrooms.

(Aus.) a pile of vomit; thus deliver a pavement/street pizza v., to vomit.

1989		M. Belmonte Compter Science and Why (1993) 🌐 I was struck with [...] the plethora of words and phrases meaning ‘vomit’ and/or ‘to vomit’ [...] At most American colleges and universities, a weekend cannot pass without seeing multitudes [...] deliver a street pizza.
1989		J. Morton Lowspeak.
1997		Roger’s Profanisaurus in Viz 87 Dec. n.p.: pavement pizza n. The contents of one’s stomach as they appear after barfing (qv) in the street.
2003		www.thepantsman.com 🌐 I was well on the way to delivering a pavement pizza, and the sight of this thing under street lighting coupled with the Rainman factor almost had me there.