gum lao

(language: cantonese)
/gʌm laʊ/
(guhm lou)

–verb (used with object)
-more uses than listed-
1. slang . to screw up.
2. slang . to treat unfairly or harshly.
3. slang . to j-zz on (also refer to t-bag).
4. slang . to perform act of violence.
5. slang . to cheat.

–verb (used without object)
1. slang . to meddle (usually fol. by sher lai bei ah dow ah).

–interjection
1. slang . (used to express anger, disgust, peremptory rejection, etc., often fol. by a pr-noun, as you or it.)
2. slang . (to add emphasis. usually fol. by piece of sh-t).

–noun
1. an act of s-xual intercourse.
2. slang . a person, esp. one who is annoying or contemptible.
3. what the f-cking gum lao, slang . (used as an intensifier, esp. with wh-questions, to express annoyance, impatience, etc.)

-adjective
1. soiled with dirt; foul; unclean: gum lao pair of shoes.
2. lacking ordinary quickness and keenness of mind; dull.
3. characterized by or proceeding from mental dullness; foolish; senseless: a gum lao question.
4. tediously dull, esp. due to lack of meaning or sense; inane; pointless: a gum lao party.
5. annoying or irritating; troublesome: turn off that gum lao radio.
6. in a state of stupor; stupefied: gum laoed from fatigue.
common usages:

1. “why are you so gum lao?”
2. “i gum laoed the test.”
3. “f-ck that gum lao piece of sh-t”
4. “wyatt, stop gum laoing your own face” (also refer to t-bag)
5. “stacy gum laoed your b-lls last night” (note ambiguity: multiple definitions)