godan ~る verb:

• to masturbate - colloquialism

godan ~う verb / intransitive verb:

• to be mixed up with; to have a connection with (a troublesome matter) - colloquialism ➜ 係う【かかずらう】
• to be a stickler about; to be finicky about (some triviality)
• to take part (in some work); to hang about; to bother (someone)

expression / ~する verb (irregular):

• to go out for tea (or coffee, etc.) - sometimes used as a pickup line - colloquialism

noun:

• yakuza - colloquialism

noun:

• fat underbelly of a fish
• sand polishing
• sand finish (e.g. finishing a wall with sand mortar)
• chicken gizzard - colloquialism - Food term ➜ 砂嚢

expression:

• that house - from そこの家 - colloquialism

expression:

• worthy of; worth doing; worth having - contraction of ...をする甲斐がある - colloquialism ➜ やり甲斐【やりがい】

noun:

• self-satisfied look; triumphant look; shit-eating grin - colloquialism

pre-noun adjectival:

• attractive; good-looking; stylish; cool - colloquialism ➜ 格好いい【かっこいい】

noun:

• woman - colloquialism

noun:

• full signal strength (on a cellphone); good cellphone reception; three bars [literal] - from バリバリ三本 - colloquialism

noun:

• the same (age, social status); peer - colloquialism

expression:

• once more; again - from もう一度 - colloquialism ➜ もう一度【もういちど】

ichidan verb / transitive:

• to step on; to trample down; to tread on - colloquialism ➜ 踏みつける【ふみつける】

noun:

• female delinquent - colloquialism ➜ ずべら・公【こう】

noun:

• bald spot (e.g. on a pet due to injury, stress, etc.); bald patch - colloquialism - obscure term

noun:

• 20+ years old virgin - abbr. of やらずのハタチ - abbreviation - colloquialism ➜ 二十歳【はたち】

~の noun:

• droopy (e.g. of skin); drooping - colloquialism

adjective:

• delicious; appetizing; appetising - colloquialism ➜ うまい

noun:

• large ass; large arse; big bum; big butt - from でかい and 尻 - colloquialism

noun:

• chemical reaction used to detect residue from gunshots
• gunpowder residue; gun shot residue; GSR - colloquialism

noun / ~の noun:

• extreme sadist; very sadistic - colloquialism ➜ ど

noun / ~の noun:

• extreme masochist; very masochistic - colloquialism ➜ ど

ichidan verb:

• to speak jokingly; to speak teasingly; to joke around; to speak nonsense - colloquialism ➜ チャラチャラ

noun:

• shear (wind, fluids)
• chicken gizzard - colloquialism - abbreviation ➜ 砂ずり【すなずり】