Green’s Dictionary of Slang

glom v.

also glahm, glam, glaum, glaum onto, glomm, glom onto, gloom, glum
[Scot. glaum, to snatch, to grab, to seize with the jaws, to eat greedily]

1. [late 19C+] (US) to steal.

2. [1910s+] (US) to arrest.

3. [1910s+] (US) to get (hold of), to obtain, to seize upon, to grab.

4. [1910s+] (US) to look, to see, to realize.

5. [1920s–40s] (US Und.) to pick fruit or crops.

6. [1930s+] (US) to eat, usu. to eat greedily.

7. [1970s+] (US) to stick, to entangle.

In derivatives

glommer (n.)

1. [1910s] one who ‘catches on’.

2. [1920s–40s] (US Und.) a person who harvests fruit or crops.