Conniption

Definition: (from dictionary.com)
-noun
1. informal. a fit of hysterical excitement or anger

Examples:
"My boss had a conniption when I overslept and was late for work."
"She broke her nail and had a conniption. I dumped her."

Origin: (from etymonline.com)
"1833, American English, origin uncertain; perhaps related to corruption, which was used in a sense of 'anger' from 1799, or from English dialectal canapshus 'ill-tempered, captious,' probably a corruption of captious."

Awkwardness rating: 6

I broke my nail and my life is over! (sasstrology.com)

Canoodling

Definition: (from dictionary.com)
-verb
1. caress, fondle, or pet amorously

Examples:
"I saw my boyfriend canoodling with another girl; I broke up with him on the spot."
"Their constant canoodling made for some extremely awkward family dinners."

Origin: (from etymonline.com)
"'to indulge in caresses and fondling endearments' [OED], by 1850s, said to be U.S. slang, of uncertain origin. The earliest known sources are British, but they tend to identify the word as American. In the 1830s it seems to have been in use in Britain in a sense of 'cheat' or 'overpower.'"

Awkwardness rating: 7

Keep the canoodling to a minimum at family dinners. (examiner.com)