Green’s Dictionary of Slang

jelly n.1

1. [17C+] semen; vaginal fluid; also attrib.

2. [late 19C+] a buxom, pretty young woman [she ‘wobbles’].

3. [1920s+] (US black) the penis or the vagina.

4. [1920s+] (US black) sexual intercourse.

5. [1930s–40s] (US black) anything given free.

6. [1940s] (US black) male sexual prowess; sexuality; esp. in phr. it must be jelly, ’cause jam don’t shake like that

7. [1980s+] (UK drugs) temazepam; usu. in pl. as jellies [the gel-like content of the capsules].

8. see jellhead n.

In compounds

jelly baby (n.)

1. [1920s+] secretions from the anus or vagina during or after intercourse.

2. [1970s+] (drugs) amphetamine.

jelly-bag (n.) [17C–19C]

1. the scrotum [bag n.1 (1a)].

2. the vagina .

jelly-box (n.) [SE box/box n.1 (1a)]

[1950s+] (orig. US) the vagina.

jelly donut (n.)

[2010s] (US black) a used sanitary pad or tampon.

jelly jewellery (n.)

[1990s+] ejaculated semen, covering the face and throat of one’s partner.

jelly sandwich (n.)

[1970s+] (US black) a sanitary towel.

jelly snatchers (n.)

[1970s] (US black) the hands.

In phrases

it must be jelly, ’cause jam don’t shake like that (also it must be gookum…, they must be jelly-beans ’cause jam-beans don’t shake like that )

[1920s+] (US black) a phr. used between males to express their appreciation of an especially attractive female.

sling one’s jelly (v.)

[19C] of a woman, to masturbate.

SE in slang uses

In compounds

jelly bean

see separate entries .

jelly-bellied (adj.) [jelly belly ]

1. [late 19C+] fat.

2. [1930s+] (Aus./US, also jelly-belly) cowardly.

jelly belly (n.)

1. [mid-19C+] a fat person; also attrib.

2. [1930s+] (Aus./US) a coward.

jelly-date (n.)

see separate entry .

jellyfish

see separate entries .

jelly roll/roller

see separate entries .

In phrases

bowl of jelly (n.) (also can of jelly)

[1930s+] (US) a notably fat person.