This appears to be a variant of cannabis, possibly a phenotype or a specific batch, given the "38g" which might denote its weight in grams. Kungfu Girl Finished Version 261 Top Instant
Samantha 38g Logjammin Legends Script Top — Monster
This part of the name could imply a connection to a musical or cultural reference, possibly "Log Jammin'" which is a song by Bob Marley and the Wailers. In cannabis culture, strains are often named after music, places, or experiences.