Origin of larrupEast Anglian dialect, dialectal , probably , with intrusive vowel, for an unverified form lerp, an unverified form larp ; from or akin to Dutch larpen, to thrash
transitive verblar·ruped, lar·rup·ing, lar·rups
Origin of larrupPerhaps from Dutch larpen, to slap, thrash, from larp, rod, whip.
(third-person singular simple present larrups, present participle larruping or larrupping, simple past and past participle larruped or larrupped)
2. 'larruped' (slang) drunk, inebriated.
Origin uncertain. Many dictionaries suggest a connection with larpen, Dutch, 'to thresh with flails'.