use one's brain

adj; to feel boring until cramping, meaning something is dreadfully boring

(noun) 1. spasm; (slang) unbearable (e.g. heat, etc.)

noun; Ipomoea Aquatica; Tung Choi; Water spinach

Stretch muscles

rubber band

a rubber band; an elastic band

rubber band; elastic band

'ROM brain'

beef tendon

completely exhausted

muscle

reinforced concrete

green vein

to attend to one thing and lose another; to focus on one thing and neglect another thing; to pay attention to one aspect and overlook another

what's your problem ; what's wrong you ; what's gotten into you? [colloquial]

describes a person who behaves in an irrational and unreasonable way

crazy; having mental problem

speak with a lisp / stigmatism