One verse

Srimad Bhagavatam 3.13.18

3.13.18

इत्यभिध्यायतो नासाविवरात्सहसानघ । वराहतोको निरगादङ्गुष्ठपरिमाणक: ॥ १८ ॥

ity abhidhyayato nasa- vivarat sahasanagha varaha-toko niragad angustha-parimanakah

iti
thus
abhidhyayatah
while thinking
nasa-vivarat
from the nostrils
sahasa
all of a sudden
anagha
O sinless one
varaha-tokah
a minute form of Varaha (a boar)
niragat
came out
angustha
the upper portion of the thumb
parimanakah
of the measurement.

O sinless Vidura, all of a sudden, while Brahma was engaged in thinking, a small form of a boar came out of his nostril. The measurement of the creature was not more than the upper portion of a thumb.