ẹrin keekee

• ẹ̀rín kk, ẹ̀rín kkk etc. (and so on, depending on the supposed length of the laugh)
• ẹ̀rín kẹ̀ẹ́kẹ̀ẹ́, ẹ̀rín kẹ̀ẹ́kẹ̀ẹ́kẹ̀ẹ́ etc.
• ẹ̀rín kèékèékèé
• erin kkk, erin kkkk etc. (nonstandard spelling)
• kk, kkk etc.

From ẹ̀rín (“laughter”) +‎ kèékèé (“onomatopoeic imitation of laughter”).

• IPA^(key): /ɛ̀.ɾĩ́ kèé kèé/

ẹ̀rín kèékèé

1. (cheifly, Internet, text messaging) hahaha; lol (laughter)
   • 2019-5-16, @omonikeadeoti, Twitter :https://twitter.com/omonikeadeoti/status/996658093294604295

     Ẹ káàrọ̀ o, alàgbà. Ẹ bá tiẹ̀ gbé oríyìn díẹ̀ fun. (Ẹ̀rín kèékèé)

     Good morning o, bros. Give him some credit. (Lmao)

ẹ̀rín kèékèé

1. laugh; giggle
   • 1998, “Iṣẹ́ Ìṣàtúntò Eyín—Kí Ni Ó Ní Nínú?”, in ÀKÁ ÌWÉ ORÍ ÍŃTÁNẸ́Ẹ̀TÌ ti Watchtower‎:

     EYÍN rẹ ṣe pàtàkì! Wọ́n wúlò fún ọ nígbà tí o bá ń jẹun àti nígbà tí o bá ń sọ̀rọ̀, wọ́n tún kó ipa pàtàkì kan nínú ẹ̀rín músẹ́ tàbí ẹ̀rín kèékèé tí ó gún régé.

     YOUR teeth are important! You need them for eating and for speaking, and they are also an important part of a pleasant smile or laugh.