English

Adjective

jerksome ‎(comparative more jerksome, superlative most jerksome)

1. Indicative of quick, rapid movements; jerky.^[1]
   • 1880, Richard Doddridge Blackmore, Mary Anerley: A Yorkshire Tale:

     With females jolting up and down, upon no springs — except those of jerksome curiosity — conduct of this character was rude in the extreme.

Etymology 2

From jerk +‎ -some.

Adjective

jerksome ‎(comparative more jerksome, superlative most jerksome)

1. Characteristic of a jerk.

   That was mighty jerksome of you.

   • 1977, The New Yorker, volume 53:

     From time to time, Ace will, in a jerksome way, monotonize the conversation with witticisms too humorous to mention.

   • 1998, Karen Salmansohn, Whip your Career into Submission:

     Okay, now lets say you said something to someone that irked him in some way — or else someone else said something irksome and jerksome to you.

References

1. ↑ Oxford English Dictionary, 2nd ed. (1989)