A hiss is basically a "get the f*ck away" sound.
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	2:det	_
2	hiss	hiss	NOUN	NN	Number=Sing	12	nsubj	12:nsubj	_
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	12	cop	12:cop	_
4	basically	basically	ADV	RB	_	12	advmod	12:advmod	_
5	a	a	DET	DT	Definite=Ind|PronType=Art	12	det	12:det	_
6	"	"	PUNCT	``	_	7	punct	7:punct	SpaceAfter=No
7	get	get	VERB	VB	Mood=Imp|VerbForm=Fin	12	acl	12:acl	_
8	the	the	DET	DT	Definite=Def|PronType=Art	9	det	9:det	_
9	f*ck	fuck	NOUN	NN	Number=Sing|Style=Expr	10	obl:npmod	10:obl:npmod	CorrectForm=fuck
10	away	away	ADV	RB	_	7	advmod	7:advmod	SpaceAfter=No
11	"	"	PUNCT	''	_	7	punct	7:punct	_
12	sound	sound	NOUN	NN	Number=Sing	0	root	0:root	SpaceAfter=No
13	.	.	PUNCT	.	_	12	punct	12:punct	_
