Green’s Dictionary of Slang

(US) a gob of phlegm, usu. in phr. hock a loogie.

1985		S.F Chronicle 27 Apr. 38: In the middle of a French kiss, she slips a killer loogie into his face.
1990		(con. c.1970) G. Hasford Phantom Blooper 22: The choker hawks up a loogie and spits it onto the back of my hand.
1992		N. Stephenson Snow Crash (1993) 72: Affixed me to the gate of White Columns with a loogie gun.
1993		Aus. Word Map 🌐 hock a loogie. to spit.
1997		Eble Campus Sl. Apr. 5: loogie – phlegm.
2002		Mad mag. June 21: Short order cook Butch Beringer hocks up a loogie and mixes it in the hamburger.
2015		pando.com 22 June 🌐 Another man claims that a Google security guard spat in his face [...] ‘he just hocked a loogie right in my face. Right in my eye, too’.
2021		T. Pluck Boy from County Hell 122: He spat a red loogie on Chopper’s jacket.