eek

Etymology 1

Imitative

intj

1. Representing a scream or shriek (especially in comic strips and books).
   Eek! There's a mouse in the bathtub!
2. Expressing (sometimes mock) fear or surprise.
   I almost got fired from my job yesterday. Eek!
3. Representing the shrill vocal sound of a mouse, rat, or monkey.

verb

1. To produce a high-pitched squeal, as in fear or trepidation.
   She was dangling the mouse by its tail, but as it tried to arch upwards and bite, she started to jig about wildly […] The anglers had watched a beautiful young woman dance naked beneath a full moon to the feverish rhythm of unworldly eeking noises! 2009, Paul Gelder, Yachting Monthly's Further Confessions
   We saw a frog and she eeked in terror again from the sight of it hopping near her. 2011, Isaac E. Washington, The Stars in My Dreams, page 106

Etymology 2

Clipping of ecaf (“face”), from face via backslang.

noun

1. (Polari) A face.
   How bona to vada your eek! ― How good to see your face!
   You have your Elizabeth Taylor done in half-tones, reclining on this chaise longue – that’s your actual French – decollete down to her ankles, with a wanton look all over her eek. 1966, Barry Took, Marty Feldman, Round the Horne, season 2, spoken by either Julian or Sandy (either Hugh Paddick or Kenneth Williams)
   Though she's a bimbo bit of hard, / she’s royal and tart. And girl, you know / vadaing her eek is always bona. 2015-10-12, Adam Lowe, “Poem of the week: Vada That”, in The Guardian
   [H]e plonked his corybungus down and turned his eek to the driver. 2021, Daren Kay, “Twinkle, twinkle, little star”, in The Brightonians (ebook)

Etymology 3

adv

1. Alternative form of eke (“also”)